GRS Reports At International Auctions
  1. 1
    Christie's | Jun-1996 | London | Lot 208, Sapphire and Diamond Ring | Peretti Gemlab AP-9602007

  2. 2
    Christie's | Dec-1997 | London | Lot 91, Ruby and Diamond Ring | GRL 9704027

  3. 3
    Sotheby's | Feb-1998 | St. Moritz | Lot 636, A fine Sapphire Ring Van Cleef and Arpels | GRL 9712003

  4. 4
    Sotheby's | May-1998 | Geneva | Lot 386, A Pair of Emerald and Diamond Pendent Earrings, circa 1925 | GRL 9803071

    Each collet-set with a cut-cornered step-cut emerald, within a hexagonal frame set with brilliant-cut diamonds, mounted in platinum, accompanied by GRLl report no. 9803071 stating, that the emeralds is of Colombian origin, enhancement insignificant


  5. 5
    Sotheby's | May-1998 | Geneva | Lot 413, An Important Ruby and Diamond Ring, by Tiffany & Co. (Ruby of 14.16 ct) | GRL 9803066

    Claw-set with a cushion-shaped ruby weighing 14.16 carats, flanked by triangular-cut diamonds, mounted in platinum, size: 52.5, signed: Tiffany & Co., accompanied by GRL report no. 9803066 stating that the ruby is of Thai origin, enhanced by heat


  6. 6
    Sotheby's | Jun-1998 | London | Lot 89, Sapphire and Diamond Cluster Ring | GRL 9804021

    The shield-shaped sapphire weighing 6.17ct set within a border of eight-cut diamonds

    Accompanied by a certificate from Gemresearch Laboratory, Lucerne, Switzerland, no. 9804021, stating the stone to be natural from Sri Lanka, no indication of thermal treatment


  7. 7
    Sotheby's | Jun-1998 | London | Lot 140, Very Fine Ruby Ring | GRL 9804015

    The step-cut octagonal stone weighing 1.35ct claw-set

    Accompanied by a certificate from Gemresearch Laboratory, Lucerne, Switzerland, no. 9804015, stating the stone to be from Burma (Mogok, Myanmar), no indication of thermal treatment, characteristic colour of so-called pigeon blood type


  8. 8
    Sotheby's | Jun-1998 | London | Lot 163, Emerald and Diamond Ring | GRL 9804012

    The large step-cut emerald weighing 12.75ct claw-set between baguette diamond single-stone shoulders case

    Accompanied by a certificate from Gemresearch Laboratory, Lucerne, Switzerland, no. 9804012, stating the emerald to be from Colombia. Enhanced areas are dried out, minor residues of solid and liquid material


  9. 9
    Sotheby's | Jun-1998 | London | Lot 240, Pair of Emerald and Diamond Cluster Earclips | GRL 9804025

    Each claw-set with a pear-shaped emerald weighing 6.98ct and 8.21ct respectively within a double border of marquise- and pear-shaped and brilliant-cut diamonds

    Accompanied with a certificate from Gemresearch Laboratory, Lucerne, Switzerland, no. 9804025, stating the emeralds to be from Colombia, enhancement, minor to significan


  10. 10
    Sotheby's | Jun-1998 | London | Lot 337, Fine Ruby and Diamond Crossover Ring, by Bulgari | GRL 9804026

    Claw-set with a circular-cut ruby stated to weigh 2.90ct and a similarly cut diamond stated to weigh 1.88ct between baguette diamond single stone shoulders
    signed: Bvlgari; case by Bvlgari

    Accompanied by a certificate from Gemresearch Laboratory, Lucerne, Switzerland, no. 9804026 stating the ruby to be from Burma (Mogok, Myanmar), no indication of thermal treatment


  11. 11
    Sotheby's | Jun-1998 | London | Lot 461, Important and Attractive Ruby and Diamond Necklace/Tiara, circa 1890 | 5 GRL Reports

    Composed of eighteen graduated clusters, each claw-set with an oval mixed-cut ruby, ranging in size from 1.01ct to 4.36ct, the oval surrounds and trefoil motif connections set throughout with cushion-shaped diamonds, the larger ten clusters are detachable to form a Tiara and the eight smaller cluster detach to form a Bracelet
    Tiara frame; fancy hoop Bracelet mount; overall length of necklace approximately 420mm; length of bracelet approximately 160mm
    The eighteen rubies respectively weiging: 1.30ct, 1.08ct, 1.09ct, 1.01ct, 1.02ct, 0.98ct, 1.45ct, 1.35ct, 1.37ct, 1.96ct, 2.18ct, 2.53ct, 2.17ct, 4.36ct, 2.35ct, 2.61ct, 1.24ct, 2.37ct (starting from the tongue of the necklace clasp), for a total of 32.42ct

    The five largest rubies, respectively weighing 2.61ct, 2.35ct, 4.36ct, 2.17ct and 2.53ct are accompanied by Gemresearch Laboratory (Lucern, Switzerland) reports nos. GRL9804016, GRL9804017, GRL9804018, GRL9804019, GRL9804020 all stating that the rubies are natural, with no indication of thermal treatment, origin: Burma (Mogok, Myanmar)


  12. 12
    Sotheby's | Jun-1998 | London | Lot 266, Ruby and diamond cluster ring | 9804027

    The large oval cabochon ruby claw-set within a border of cushion-shaped diamonds, case.

    Accompanied by a certificate from Gemresearch Laboratory, Lucerne, Switzerland, n. 9804027, stating the ruby to be from Burma (Mogok, Myanmar), no indication of thermal treatment, oil enhancements present, partially dried out.


  13. 13
    Sotheby's | Jul-1998 | London | Lot 633, Unmounted Sapphire | GRL 9804023b

    Stated to weigh 3.88cts

    Accompanied by a GRL Gemresearch Laboratory, Switzerland, Report No. 9804023b stating the stone to be a natural sapphire from Kashmir with no indication of thermal treatment


  14. 14
    Christie's | Oct-1998 | London | Lot 106, Ruby and Diamond Ring | GRL 9704029

  15. 15
    Sotheby's | Feb-1999 | St. Moritz | Lot 26, Ruby and Diamond Ring, by Bulgari | GRL 9804026

    Of crossover design, claw-set with a circular-cut ruby stated to weigh 2.90 carats and a brilliant-cut diamond stated to weigh 1.88 carats, between tapered baguette diamond shoulders, signed Bulgari, size 58

    Accompanied by GRL report no. GRL 9804026 stating that the ruby is of Burmese origin, no indication of thermal treatment.


  16. 16
    Sotheby's | Feb-1999 | St. Moritz | Lot 96, Sapphire and Diamond Ring | GRS 9911076

    Collet-set with circular-cut sapphire stated to weigh 4.85 carats, the shoulders set with circular-cut diamonds, mounted in 18 karat white gold, size 55
    Accompanied by GRS report no. GRS 9911076 stating that the sapphire is of Burmese origin, no indication of thermal treatment.


  17. 17
    Sotheby's | Feb-1999 | St. Moritz | Lot 485, Sapphire and Diamond Ring | GRS 9811054

    Claw-set with cushion-shaped sapphire weighing 9.29 carats, on a pav set diamond ground, size 48

    Accompanied by GRS report no. GRS 9811054 and SSEF Swiss Gemmological Institute report no. 34965 both stating that the sapphire is of Burmese origin, no indication of thermal treatment.


  18. 18
    Christie's | Mar-1999 | London | Lot 111, Ruby and Diamond Cluster Ring | GRL 9704028

  19. 19
    Sotheby's | Apr-1999 | Hong Kong | Lot 562, Fine Ruby and Diamond Ring | GRS9811040

    Set with heart-shaped ruby weighing 3.07 carats, the sides accented with 6 round diamonds, mounted in 18 karat white gold, size 5 .
    Accompanied by GRS Gemresearch Swisslab report number 9811040 stating that the ruby is of Burmese origin.


  20. 20
    Sotheby's | Apr-1999 | Hong Kong | Lot 631, Important Sapphire And Diamond Ring | GRS 9808035

    Comprising a singe large cut-cornered sapphire weighing 22.94 carats, flanked by 2 trilliant-cut diamonds weighing approximately 1.20 carats, mounted in 18 karat white gold, size 6.

    Accompanied by GRS Gemresearch Swisslab report number 9808035 stating that the sapphire is of Sri Lankan origin with no indication of thermal treatment.


  21. 21
    Sotheby's | May-1999 | Geneva | Lot 327, Ruby and Diamond Ring, by Bulgari | GRL 9804026

  22. 22
    Christie's | Jun-1999 | London | Lot 152, Ruby and Diamond Ring | GRL 9806076

  23. 23
    Christie's | Jun-1999 | London | Lot 152, Ruby and Diamond Ring | GRL 9806076

  24. 24
    Sotheby's | Nov-1999 | Geneva | Lot 19, Ruby and Diamond Ring | GRL 9803107

    Collet-set with step-cut ruby weighing 3.07 carats, on a pave-set diamond ground, mounted in 18 karat gold, size 51.
    Accompanied by GRL report number 9803107 stating that the ruby is of Burmese origin. In our expert opinion this tone has been heat treated.


  25. 25
    Sotheby's | Nov-1999 | Geneva | Lot 40, Sapphire and Diamond Brooch | GRL 9801147

    Designed as a bird, the body set with an oval-shaped sapphire weighing 34.70 carats, the head pave-set throughout with brilliant-cut diamonds, the eye highlighted with a fancy-shaped ruby, mounted in 18 karat gold.

    Accompanied by GRL report number 9801147 stating that the sapphire is of Sri Lankan origin. No indication of thermal treatment.


  26. 26
    Sotheby's | Nov-1999 | Geneva | Lot 117, Sapphire and Diamond Ring | GRL 9703067

    Claw-set with an oval-shaped sapphire weighing 6.65 carats, within a double frame of brilliant-cut diamonds, mounted in platinum, size 51.

    Accompanied by GRL and AGL reports nos. 9703067 and CS 31614 both stating that the sapphire is of Sri Lankan origin, no indication of thermal treatment.


  27. 27
    Sotheby's | Nov-1999 | Geneva | Lot 159, Ruby and Diamond Ring | GRL 9804024

    Claw-set with an cushion-shaped ruby weighing 6.93 carats, within a double frame of baguette and brilliant-cut diamonds, mounted in 18 karat gold, size 52.
    Accompanied by GRL report no. 9824024 stating that the ruby has no indication of thermal treatment.


  28. 28
    Sotheby's | Nov-1999 | Geneva | Lot 191, Sapphire and Diamond Ring, by Cartier | GRS 9810017

    Claw-set with an cushion-shaped sapphire weighing 10.02 carats, within a double frame of pear-shaped and brilliant-cut diamonds, mounted in 18 karat white gold, size 54.

    Accompanied by GRS report no. 9810017 stating that the sapphire is of Burmese origin, no indication of thermal treatment.


  29. 29
    Sotheby's | Nov-1999 | Geneva | Lot 209, Ruby and Diamond Ring | GRS9808101

    Claw-set with an oval-shaped ruby weighing 3.02 carats, within a frame of brilliant-cut diamonds, each side highlighted by pear-shaped stones, mounted in 18 karat white gold, size 51.

    Accompanied by GRS report no. 9808101 stating that the ruby is of Burmese origin, no indication of thermal treatment.


  30. 30
    Sotheby's | Nov-1999 | Geneva | Lot 254, Sapphire and Diamond Ring | GRS 9903153

    The oval-shaped sapphire weighing 13.08 carats, framed by brilliant-cut diamonds, mounted in platinum, size 53.
    Accompanied by GRS report no. 9903153 stating that the sapphire is of Burmese origin, no indication of thermal treatment.


  31. 31
    Sotheby's | Nov-1999 | Geneva | Lot 270, Ruby and Diamond Ring | GRS9905039

    Claw-set with an oval-shaped ruby weighing 3.08 carats, flanked by heart-cut diamonds, mounted in platinum, size 52.
    Accompanied by GRS report no. 9905039 stating that the ruby is of Burmese origin, no indication of thermal treatment.


  32. 32
    Sotheby's | Nov-1999 | Geneva | Lot 323, Sapphire and Diamond Ring | GRL 9612029

    Claw-set with an oval-shaped sapphire weighing 15.67 carats, flanked by fancy-shaped diamonds, mounted in 18 karat white gold, size 52.

    Accompanied by GRL report no. 9612029 stating that the sapphire is of Sri Lankan origin, no indication of thermal treatment.


  33. 33
    Sotheby's | Nov-1999 | Geneva | Lot 429, Impressive Ruby and Diamond Necklace with Matching Earclips | GRS9904195

    Decorated with oval-shaped rubies within frames of pear-shaped diamonds, alternating with clusters of pear and brilliant-cut diamonds, the 3 larger rubies weighing 8.01, 8.15 and 10.72 carats, highlighted at the front by a pendant set with similarly cut stones, the pendant earclips of similar design, mounted in platinum, pendant detachable, length 44 cm.
    Accompanied by GRS report no. 9904195 for the 20 rubies and three GIA reports for the larger rubies nos. 10267116, 10267117 and 10267115 stating that the stones are of Burmese origin, evidence of heat treatment.
    SFr 900,000-1,000,000
    US$ 600,000-670,000


  34. 34
    Sotheby's | Nov-1999 | Hong Kong | Lot 39, Important Ruby and Diamond Ring | GRS9806068

    Set with 1 oval-shaped ruby weighing 9.03 carats, flanked by square and 2 baguette-shaped diamonds, mounted in eighteen-karat gold, size 6G.

    Accompanied by Gemresearch Swisslab (GRS) report no. 9806068 stating that the ruby is of Burmese origin with no indication of thermal treatment.


  35. 35
    Sotheby's | Nov-1999 | Hong Kong | Lot 44, Attractive Sapphire and Diamond Pendant | GRS 9901096

    Set with 1 oval-shaped sapphire weighing 52.60 carats, edged by 4 marquise-shaped and 7 pear-shaped diamonds, suspended from a pear-shaped drop, altogether the diamonds weighing approximately 5.30 carats, mounted in platinum.

    Accompanied by Gemresearch Swisslab (GRS) report no. 9901096 stating that the sapphire is of Sri Lankan origin with no indications of thermal treatment.


  36. 36
    Sotheby's | Nov-1999 | Hong Kong | Lot 499, Lovely Fancy Colored Sapphire and Diamond Ring | GRS 9903250

    Centering 1 cushion-shaped padparadscha sapphire weighing approximately 7.36 carats, framed by round diamonds weighing approximately 4.00 carats, mounted in platinum and eighteen-karat yellow gold, size 5I

    Accompanied with Gemresearch Swisslab report no. 9903250 stating the Padparadscha sapphire is Orangy-Pink Color and shows evidence of heat treatment.


  37. 37
    Sotheby's | Nov-1999 | Hong Kong | Lot 569, Attractive Alexandrite and Diamond Ring | GRS 9903156

    Set with 1 oval-shaped alexandrite weighing approximately 5.06 carats, flanked by 2 trilliant-shaped, the shank partially set with small round diamonds, mounted in eighteen-karat white gold, size 5H.

    Accompanied with Gemresearch Swisslab (GRS) report no. 9903156 stating that the Alexandrite has slight color change in different light sources.


  38. 38
    Sotheby's | Nov-1999 | Hong Kong | Lot 666, Pretty Ruby and Diamond Ring | 1 GRSReport

    Set with 1 pear-shaped ruby weighing 3.09 carats, flanked by 2 pear-shaped diamonds, mounted in eighteen-karat gold, size 5.

    Accompanies by Gemresearch Swisslab (GRS) stating that the ruby is of Burmese origin.


  39. 39
    Sotheby's | Nov-1999 | Hong Kong | Lot 677, Attractive Ruby and Diamond Ring | GRS9811034

    Set with 1 octagonal step-cut ruby weighing 7.00 carats, flanked by 6 baguette-shaped diamonds, mounted in eighteen-karat white gold, size 6 1/2.

    Accompanied by Gemresearch Swisslab (GRS) report np. 9811034 stating that the ruby is of Burmese origin.


  40. 40
    Sotheby's | Nov-1999 | Hong Kong | Lot 690, Pretty Ruby and Diamond Ring | GRS9803121

    Centered with 1 oval-shaped ruby weighing 4.19 carats, bordered by baguette-shaped diamonds, the corners accented by round diamonds, completed by a partially split shank set with round diamonds, altogether diamonds weighing approximately 3.55 carats, mounted in eighteen-karat white gold, size 6.

    Accompanied by Gemresearch Swisslab (GRS) report no. 9803121 stating that the ruby is of Burmese origin.


  41. 41
    Sotheby's | Dec-1999 | New York | Lot 10, Eighteen - Karat Gold, Sapphire and Diamond Pendant-Brooch | GRL 9704036

    Designed as a texuted gold lion clutching a cushion-shaped sapphire weighing 44.55 carats, the balance enhanced with several small diamonds, mounted in gold, fitted with pendant loop.

    Accompanied by GRL report number 9704036 stating that the sapphire is of Burmese origin, no indication of thermal treatment.


  42. 42
    Sotheby's | Dec-1999 | New York | Lot 111, Eighteen - Karat Two Color Gold, Sapphire and Diamond Ring and Matching Earclips | GRS 9906024

    The ring and earclips of identical design, the ring set with a pear-shaped sapphire weighing 7.42 carats, the earclips set with 2 pear-shaped sapphires weighing 5.35 and 4.42 carats, respectively, all within polished gold frames of conforming shape, enhanced with several round diamonds, mounted in yellow and white gold, ring size 6.
    Accompanied by GRS reports nos. GRS 9906025, GRS 9906024, and GRS 9906026 stating that the origin is Sri Lanka, enhanced by heat.


  43. 43
    Sotheby's | Dec-1999 | New York | Lot 258, Ruby and Diamond Pendant | GRS9808103

    The heart-shaped ruby weighing 4.01 carats, within a frame set with small round diamonds, topped by a pendant loop set with a pear-shaped diamond, mounted in 18 karat white gold, pendant detaches; together with an 18 karat white gold chain, length 15, inches.
    Accompanied by GRS report no. GRS 9808103 stating that the origin is Burma (Myanmar), no indication of thermal treatment.


  44. 44
    Sotheby's | Dec-1999 | New York | Lot 341, Eighteen - Karat White Gold, Sapphire and Diamond Ring | GRS 9801155

    The oval-shaped sapphire weighing 7.01 carats, within a bomb tapering mounting of stepped form set throughout with numerous round diamonds, mounted in white gold, size 6.

    Accompanied by GRL report no. GRL 9801155 stating that the origin is Sri Lanka, no indication of thermal treatment.


  45. 45
    Sotheby's | Dec-1999 | New York | Lot 520, Ruby and Diamond Ring | GRS9808104

    The oval-shaped ruby weighing 2.08 carats, flanked with trefoil cluster set with 6 small round diamonds, mounted in 18 karat gold, size 6.

    Accompanied by GRL report no. GRL 9808104 stating that the origin is Burma (Myanmar), enhanced by heat.


  46. 46
    Beaux Bijoux Argentiere Drouot Richelieu | Mar-2000 | Paris | Lot 79, Bague ...Ornee d'un Saphir de taille ovale d'environ 3.14 cts | GRS 9911075

  47. 47
    Beaux Bijoux Argentiere Drouot Richelieu | Mar-2000 | Paris | Lot 81, Bague... Ornee d'un tres beau Saphir coussin (6.47 ct) | GRS 9911074

  48. 48
    Etude Tajan | Apr-2000 | Paris | Lot 264, Bague ...Rubis ovale 2.51 ct | GRS-Report

  49. 49
    Christie's | May-2000 | Hong Kong | Lot 1620, An Antique Style Ruby and Diamond Butterfly Clip Brooch | GRS2000-01277

    The wings set with numerous rubies with circular and rose-cut diamond detail, mounted en tremblant to the circular and rose-cut diamond head, thorax and abdomen, with circular-cut diamond antennae, mounted in silver and gold 11.0 cm. wide.

    With certificate GRS2000-01277 dated 25 January 2000 from the GRS Gemresearch Swisslab stating that the 69 rubies are all of Burmese origin and shows no indication of thermal treatment.


  50. 50
    Christie's | May-2000 | Geneva | Lot 416, A Single Stone Sugarloaf Cobochon Ring (Kashmir Sapphire, 6.37 ct) | GRS 9904253

  51. 51
    Christie's | May-2000 | Geneva | Lot , Sapphire and Diamond Cluster Ring (Kashmir Sapphire of 9.34 ct) | GRS 9811051

  52. 52
    Christie's | May-2000 | Geneva | Lot 337, A Sugarloaf Cabochon Sapphire and Diamonds Ring | GRS 9909187

    Set with a sugarloaf cabochon sapphire weighing 10.30 carats to the stylized shield-shaped diamond shoulders and platinum hoop.

    With certificate 9909187 dated 26 September 1999 from the GRS Gemresearch Swisslab, stating that the sapphire is of Burmese origin and shows no indication of thermal treatment.


  53. 53
    Sotheby's | May-2000 | Hong Kong | Lot 32, Attractive Alexandrite and Diamond Ring | GRS 9903155

    The center set with 1 cushion-shaped alexandrite weighing approximately 5.15 carats, the sides set with 2 kite-shaped diamonds, mounted in eighteen-karat white gold, size 51/2.
    Accompanied by GRS report no. 9903155 stating that the alexandrite is Natural and that there is slight color change in different light sources.


  54. 54
    Sotheby's | May-2000 | Hong Kong | Lot 434, Elegant Star Ruby and Diamond Ring | GRS 9903155

    Centering on an oval-shaped star ruby cabochon weighing 10.85 carats, surrounded by 14 round diamonds weighing approximately 2.20 carats, mounted in eighteen-karat white gold, size 6.

    Accompanied by a GRS report no. 2000-01252 stating that the star ruby is of Burmese origin, natural, and there is no indication of thermal treatment.


  55. 55
    Phillips | Oct-2000 | New York | Lot 239, A Sugarloaf Cab Ruby 12.78 cts from Burma | GRS9908047

  56. 56
    Christie's | Oct-2000 | New York | Lot 623, A Color Change Star Sapphire and Diamond Ring. Sapphire 30.18 cts | GRS 2000-07150

  57. 57
    Christie's | Oct-2000 | New York | Lot 622, A Sapphire and Diamond Ring. Heart Shaped Diamond 11.02 cts. | GRS 2000-04168

  58. 58
    Sotheby's | Oct-2000 | Hong Kong | Lot 696, Stylish Cabochon Sapphire Ring (Burmese Sapphire) | GRS 9907139

    Centering a high-domed oval cabochon Burmese sapphire weighing 11.97 carats, flanked by two baguette-cut diamonds, mounted in platinum.
    Ring size: 6 D
    Accompanied by GRS Report No.GRS9907139 stating that the sapphire is of Burmese origin and that there are no indications of thermal treatment.


  59. 59
    Sotheby's | Oct-2000 | Hong Kong | Lot 1046, Exquisite Sapphire and Diamond Ring. Sugarloaf Cabochon 58.51 cts. | GRS 2000-06325

    Set with a spectacular Burmese sugarloaf-cabochon sapphire weighing 58.51 carats, flanked by two fancy-cut diamonds, within an elegant basket mount in platinum. Ring size: 5.

    Accompanied by GRS report number GRS2000-06325 and Gbelin report number 0007096 stating that the sapphire is of Burmese origin and there is no indication of thermal enhancement.
    HK$ 2,000,000-2,800,000
    US$ 258,000-365,000


  60. 60
    Sotheby's | Oct-2000 | Hong Kong | Lot 1066, Magnificent Ruby and Diamond Ring. 10.04 cts. Burmese Ruby | GRS2000-07318

    Set with a stunning rectangular-cut Burmese ruby weighing 10.04 carats, flanked by 4 baguette-cut diamonds, mounted in platinum. Ring size: 6.

    Accompanied by GRS report number GRS2000-07318 and Gbelin report number 0007097, stating that the ruby is of Burmese origin and there is no indication of thermal enhancement.
    HK$ 2,100,000-2,500,000
    US$ 271,000-322,000


  61. 61
    Sotheby's | Oct-2000 | Hong Kong | Lot 710, Attractive Ruby and Diamond Butterfly Brooch. 78 Burmese Rubies. | GRS2000-06233

    The beautifully shaped wings set throughout with faceted rubies to the pave-set diamond highlights, the body pave-set with diamonds, completed with antennae terminated with a pair of circular rose-cut diamonds, mounted in 18 karat blackened gold.
    Accompanied by GRS report number GRS2000-06223 stating that the seventy-nine rubies are of Burmese origin and there is no indication of thermal treatment detected.


  62. 62
    Christie's | Nov-2000 | Hong Kong | Lot 1523, A Charming Single Stone Ruby Ring 2.27 cts. | GRS2000-03026

    The cushion shaped ruby weighing approximately 2.27 carats, held between two pav-set diamond band interwining to form the hoop, mounted in 18K white gold, size 4.
    With certificate GRS2000-03026 dated 13/3/00 from the GRS Gemresearch Swisslab stating that the ruby is of Burmese origin, no indication of thermal treatment.


  63. 63
    Christie's | Nov-2000 | Hong Kong | Lot 1538, A Sapphire Necklace. | GRS 2000-03386

    The front section set with thirty-one graduated cushion-shaped or oval-cut sapphires, to the yellow gold chevron-link backchain, 46.0 cm.

    With certificate GRS2000-03368 dated 21/3/00 from the GRS Gemresearch Swisslab stating that the sapphires are of Burmese origin, no indication of thermal treatment.
    Total weight of sapphires stated to be 69.50 carats


  64. 64
    Christie's | Nov-2000 | Hong Kong | Lot 1732, An Impressive Gem-Set Necklace. Cabochon Ruby 7.9 cts. | GRS2000-03003

    Designed as two black leather cords suspending a pear-shaped ruby cabochon weighing 7.90 carats, an emerald bead weighing 8.48 carats and rose-cut diamonds, terminating in a large sapphire cabochon stated to weigh 86.70 carats., each with pav-set diamond shoulders, length adjustable.
    With certificate GRS2000-03003 from the GRS Gemresearch Swisslab stating that the ruby is of Burmese origin, no indication of thermal treatment; certificate CS 34061 from the American Gemological Laboratories stating that the emerald would be classified as Colombian and exhibits evidence of faint to moderate clarity enhancement (Oil Type Treatment?Canadian Balsam); and certificate 92006402 from the AGTA Gemological Testing Center stating that the sapphire is of Burmese origin with no indication of enhancement by heat
    HK$ 1,600,000-2,400,000
    US$ 200,000-300,000


  65. 65
    Christie's | Nov-2000 | Hong Kong | Lot 1737, A Pair of Sapphire and Diamond Earclips. | GRS 2000-08005

    Each set with a sugarloaf sapphire weighing 10.45 and 11.05 carats, held at each corner with a pav-set diamond claw, reversing to reveal a pav-set diamond backing, mounted in 18K white gold.

    With certificates GRS2000-08005/6 from the GRS Gemresearch Swisslab stating that the sapphires are of Burmese origin, no indication of thermal treatment.


  66. 66
    Christie's | Nov-2000 | Hong Kong | Lot 1737, A Pair of Sapphire and Diamond Earclips. | GRS 2000-08006

    Each set with a sugarloaf sapphire weighing 10.45 and 11.05 carats, held at each corner with a pav-set diamond claw, reversing to reveal a pav-set diamond backing, mounted in 18K white gold.

    With certificates GRS2000-08005/6 from the GRS Gemresearch Swisslab stating that the sapphires are of Burmese origin, no indication of thermal treatment.


  67. 67
    Sotheby's | Nov-2000 | Geneva | Lot 77, Sapphire and Diamond Ring. Sugar-loaf Burmese Sapphire weighing 12.15 cts. | GRS 2000-05113


  68. 68
    Sotheby's | Nov-2000 | Geneva | Lot 96, Ruby and Diamond Ring. Cushion-Shaped Burmese Ruby weighing 5.01 cts. | GRS2000-09195


  69. 69
    Sotheby's | Nov-2000 | Geneva | Lot 104, Ruby and Diamond Bracelet. 44 Oval Burmese Rubies. | GRS2000-04019


  70. 70
    Sotheby's | Nov-2000 | Geneva | Lot 196, Sapphire and Diamond Bracelet. 19 Oval Sapphires | GRS 2000-05114


  71. 71
    Sotheby's | Nov-2000 | Geneva | Lot 291, Purple Sapphire Ring. Oval Burmese Purple Sapphire weighing 18.28 cts. | GRS 9906086


  72. 72
    Sotheby's | Nov-2000 | Geneva | Lot 292, Sapphire and Diamond Butterfly Brooch. Four Burmese Sapphires. | GRS 2000-07285


  73. 73
    Sotheby's | Nov-2000 | Geneva | Lot 406, Fine Ruby and Diamond Ring. Burmese Ruby 8.19 cts. | GRS2000-07145


  74. 74
    Sotheby's | Nov-2000 | Geneva | Lot 419, Alexandrite and Diamond Ring. Alexandrite of 30.12 cts. | GRS 2000-05096


  75. 75
    Sotheby's | Nov-2000 | Geneva | Lot 425, Impressive Pair of Sapphire and Diamond Earclips, 21.99 and 22.14 cts. | GRS 9903270, 9903271


  76. 76
    Sotheby's | Nov-2000 | Geneva | Lot 459, Impressive Ruby and Diamond. Cabochon Burmese Ruby 22.54 cts. | GRL 9711067


  77. 77
    Sotheby's | Nov-2000 | Geneva | Lot 480, Superb Ruby and Diamond Ring. 32.67 cts Burmese Ruby. | GRS2000-07020


  78. 78
    Christie's | Nov-2000 | Geneva | Lot 337, A Sugarloaf Cabochon Sapphire (10.30 cts.) and Diamond Ring. | GRS 9909187

  79. 79
    Sotheby's | Feb-2001 | St. Moritz | Lot 231, Sapphire and Diamonds Brooch. | GRS S2000-10029

    Designed as a butterfly, the body set with rose diamonds, the wings decorated with oval sapphires, interspersed with rose diamonds, mounted in 18 Karat blackened gold.

    Accompanied by GRS report no. GRS2000-10029 stating that the sapphires are of Burmese origin, no indication of thermal treatment.


  80. 80
    Sotheby's | Feb-2001 | St. Moritz | Lot 243, Ruby and Diamond Ring. Oval Burmese Ruby 5.16 cts. | GRS9907127

    Claw-set with an oval ruby weighing 5.16 carats within a border of heart shaped diamonds alternately-set with marquise-shaped stones, mounted in white gold, size 50.5.

    Accompanied by a GRS report no. 9907127 stating that the ruby is of Burmese origin, no indication of thermal treatment.


  81. 81
    Sotheby's | Feb-2001 | St. Moritz | Lot 248, Sapphire and Diamond Ring. Sugar-Loaf Burmese Sapphire weighing 16.12 cts. | GRS 2000-05080

    Claw-set at the center with a sugar-loaf cabochon sapphire weighing 16.12 carats, within a border pave-set with brilliant-cut diamond, between similarly decorated diamond shoulders accented with a square-shaped diamond, mounted in 18 Karat white gold, size 52.
    Accompanied by a GRS report no. GRS2000-05080 stating that the sapphire is of Burmese origin, no indication of thermal treatment.


  82. 82
    Sotheby's | Feb-2001 | St. Moritz | Lot 297, Ruby and Diamond Ring. Oval Burmese Ruby 10.96 cts. | GRS2000-09143

    Collet-set with an oval ruby, stated to weigh 10.96 carats, the mount pave-set throughout with brilliant-cut diamonds, mounted in 18 Karat blackened gold, size 54.
    Accompanied by a GRS report no. GRS2000-09143 stating that the ruby is of Burmese origin, no indication of thermal treatment.


  83. 83
    Sotheby's | Apr-2001 | Hong Kong | Lot 162, Pair of Sapphire and Diamond Earrings. Circular-cut Burmese Sapphires 2.40 and 2.80 cts. | GRS 2000-03017, GRS 2000-03013

    Each cenering on a circular-cut sapphire one weighing 2.40 and the other weighing 2.80 carats, encircled by circular-cut diamonds altogether weighing approximately 5.30 carats, mounted in eighteen-karat white gold.

    Accompanied by GRS reports No. GRS2000-03013 and GRS2000-03017 stating that the sapphires are of Burmese origin and there is no indication of thermal enhancement.


  84. 84
    Sotheby's | Apr-2001 | Hong Kong | Lot 177, Fine Unmounted Emerald. Emerald-Cut Colombian Emerald 15.40 cts. | GRS 2001-01373

    The unmounted emerald-cut emerald weighing approximately 15.40 carats.
    Accompanied by GRS report No. GRS2001-01373 stating that the emerald is of Colombian origin and there is minor clarity enhancement detected.


  85. 85
    Christie's | Apr-2001 | Hong Kong | Lot 1393, Set of Ruby and Diamond Cluster Jewellery | GRS2000-11256, GRS2000-11255

    Comprising a necklace, the front section set with 18 graduated oval-cut and cushion-shaped rubies, with circular-cut diamond quatrefoil spacers, to the circular-cut diamond two rows backchain, 41.5 cm., a ring and a pair of earclips en suite.

    With two certificates GRS2000-11255 and GRS2000-11256 dated 7/11/00 from the GRS Gemresearch Swisslab stating that gemmological testing on the three rubies (ring and earclips) revealed characteristics corresponding to those of natural rubies from Burma.


  86. 86
    Christie's | May-2001 | Hong Kong | Lot 1740, Set of Sapphire and Diamond Cluster Jewellery | 3 GRS Reports

    Comprising a ring, set with a cushion-shaped sapphire weighing 6.55 carats, in a circular-cut diamond cluster surround, with a pair of matching earrings, each set with a cushion-shaped or oval-cut sapphire weighing 3.08 and 3.22 carats, mounted in 18K white gold.

    With three certificates from the GRS Gemresearch Swisslab stating that the gemmological testing revealed characteristics corresponding to those of natural sapphires from Burma with no indication of thermal treatment.


  87. 87
    Sotheby's | May-2001 | Geneva | Lot 33, Sapphire and Diamond Ring. Carre-Cut Burmese Sapphire 12.05 cts. | GRS 2001-03174

    Claw-set with a carre-cut sapphire weighing 12.05 carats, between triangular-cut diamond shoulders, mounted in 18 karat white gold, size 52.
    Accompanied by GRS report No. GRS2001-03174 stating that the sapphire is of Burmese origin, no indication of thermal treatment.


  88. 88
    Sotheby's | May-2001 | Geneva | Lot 69, Sapphire Ring. Oval Mixed-Cut Burmese Sapphire | GRS 2001-02018

    Claw-set at the front with an oval mixed-cut sapphire, the mount pave-set throughout with circular-cut sapphires, size 53.

    Accompanied by GRS report No. GRS2001-02018 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  89. 89
    Sotheby's | May-2001 | Geneva | Lot 166, Sapphire and Diamond Ring. Oval Burmese Sapphire 5.02 cts. | GRS 2000-10074

    Set with oval sapphire weighing 5.02 carats, the shoulders and gallery set with brilliant-cut diamonds, mounted in 18 carat white gold, size 54.

    Accompanied by GRS report No. GRS2000-10074 stating that the sapphire is of Burmese origin, no indication of thermal treatment.


  90. 90
    Sotheby's | May-2001 | Geneva | Lot 199, Sapphire and Diamond Ring. Sugar-Loaf Burmese Sapphire. | GRS 2000-05113

    Set with sugar-loaf cabochon sapphire, between buckle shaped shoulders, the mount pave-set throughout with brilliant-cut diamonds, mounted in 18 Karat white gold, size 54.
    Accompanied by GRS report No. GRS2000-05113 stating that the sapphire is of Burmese origin, no indication of thermal treatment.


  91. 91
    Sotheby's | May-2001 | Geneva | Lot 208, Sapphire and Diamond Ring. Cushion-Shaped Burmese Sapphire 6.47 cts. | GRS 991074

    Claw-set with a cushion-shaped sapphire weighing 6.47 carats, within a border of cushion-shaped diamonds, mounted in 18 Karat white gold, size 53.
    Accompanied by GRS report No. GRS991074 stating that the sapphire is of Burmese origin, no indication of thermal treatment.


  92. 92
    Sotheby's | May-2001 | Geneva | Lot 271, Ruby and Diamond Brooch. | GRS2001-02191

    Designed as a butterfly, the wings decorated with oval rubies within a border of rose diammonds pave-set with circulat rubies, the body decorated with eight-cut diamonds.

    Accompanied by GRS report No. GRS2001-02191 stating the four largest rubies are of Burmese origin, with no indication of thermal treatment.


  93. 93
    Sotheby's | Oct-2001 | New York | Lot 59, Ruby and Diamond Ring, Cartier. Circa 1935. | GRS2001-05110

    The oval cabochon Ruby weighing approximately 7.60 carats, the center inset with a small diamond, within scrolling shoulders set with gold European-cut diamonds,mounted
    in platinum, size 6 ¾ , signed Cartier.
    Accompanied by GRS report no.2001-05110 stating that the ruby is of Burmese origin; no indication of thermal treatment.


  94. 94
    Sotheby's | Oct-2001 | New York | Lot 78, Pink Tourmaline and Diamond Brooch, Circa 1860. | GRS 2001-06043

    The lozenge-shaped floral motif set with 5 cushion shaped pink tourmalines weighing approximately 15.00 carats, completed by 74 old-mine and old European-cut diamonds weighing approximately 10.00 carats, accented further with very small old – European and rose-cut diamonds, mounted in silver and gold, the gem set plaque circa 1860, the gold pin flame later added, several small diamonds missing.
    Accompanied by GRS report no. 2001 – 06043 stating Natural Tourmalines


  95. 95
    Sotheby's | Oct-2001 | New York | Lot 111, Red Spinel and Diamond Ring. | GRS 2001-02225

    the cushion-shaped red spinel weighing 6.90 carats, surrounded by 2 pear-shaped and 12 round diamonds weighing approximately 2.50 carats, mounted in gold and platinum, size 6.

    Accompanied by GRS report no. 2001 – 02225 stating natural spinel


  96. 96
    Sotheby's | Oct-2001 | New York | Lot 113, Spinel and Diamond Pendant-Brooch, Baily, Banks & Biddle, Circa 1900 | GRS 2001-06044

    Designed as a fall leaf clover, center set with a cushion shape red spinel weighing 3.48 carats, the leaves and stem set with numerous old European-Cut diamonds, mounted in gold and platinum, signed BB & B, numbered 16961.
    Accompanied by Gubelin report no. 9010013 stating that the stone is natural spinel and a GRS report no. 2001-06044 stating that the stone is natural spinel and of Burmese origin.


  97. 97
    Sotheby's | Oct-2001 | New York | Lot 224, Emerald and Diamond Ring, late 19th Century. | GRS 2001-05111

    Set with an emerald-cut emerald weighing approximately 3.50 carats, frame by small rose-cut diamonds, within an outer border of 14 old-mine diamonds weighing approximately 5.50 carats, mounted in gold, approximately size 5.
    Accompanied by GRS report no. 2001 – 05111 stating that the emerald is Colombian origin; clarity enhancement:(O) insignificant
    PROVENANCE
    Rare jewels and precious Objects from a Gentleman’s Estate, Sotheby’s Geneva, November 19, 1998, lot 607.


  98. 98
    Sotheby's | Oct-2001 | Hong Kong | Lot 652, Sapphire and Diamond Pendant. | GRS 2001-05397

    Set with a pear-shaped sapphire cabochon weighing 11.80 carats, topped by circular-cut, marquise and pear-shaped diamond weighing approximately 1.50 carats, mounted in 14 karat white gold, suspended from a platinum chain set with six circular-cut diamonds.
    Length approximately 400 mm.

    Accompanied by GRS report no. 2001 – 05397 stating that the 11.80 carat sapphire is natural, of Burmese origin, and has no indication of thermal treatment.


  99. 99
    Sotheby's | Oct-2001 | Hong Kong | Lot 669, Sapphire and Diamond Ring. | GRS 2001-07350

    Centering an emerald-cut sapphire weighing 9.34 carats, flanked by two halfmoon-shaped diamonds, mounted in 18 karat white gold. Ring size:5¼.
    Accompanied by GRS report no. 2001 – 07350 stating that the 9.34 carat sapphire is of Madagascar origin, Natural, and has no indication of thermal treatment.


  100. 100
    Sotheby's | Oct-2001 | Hong Kong | Lot 681, Fine Sapphire and Diamond Ring. | GRS 2001-03428

    Centering a cushion-shaped Burmese sapphire weighing 7.87 carats, flanked by two heart-shaped diamonds, mounted in 18 karat white gold. Ring size:5¼.

    Accompanied by GRS report no. 2001 – 03428 stating that the 7.87 carat sapphire is of Burmese origin, natural, and has no indication of thermal treatment.


  101. 101
    Sotheby's | Oct-2001 | Hong Kong | Lot 695, Fine Sapphire and Diamond Ring. | GRS 2000-11231

    Centering an oval-shaped Burmese sapphire weighing 15.60 carats, surrounded by circular-cut diamonds and flanked on each side by three baguette diamonds, the shank partially set with circular-cut diamonds,altogether the diamonds weighing approximately 1.95 carats, mounted in platinum.Ring size: 6 ¾.

    Accompanied by GRS report no. 2000 – 11231 stating that the sapphire is of Burmese origin and there is no indication of thermal enhancement.


  102. 102
    Sotheby's | Nov-2001 | Geneva | Lot 95, Purple Sapphire Ring. | 1 GRS Report

    Claw-set with an oval purple sapphire weighing 18.18 carats, the mount pave-set throughout with circular-cut blue sapphires, mounted in 18 carat blackened gold, size 54.
    Accompanied by SSEF and GRS reports stating that the sapphire is of Burmese origin.


  103. 103
    Sotheby's | Nov-2001 | Geneva | Lot 406, Magnificent Sapphire and Diamond Ring. | GRS 2001-04395

    Claw-set with a step- cut sapphire weighing 58.97 carats between two kite shaped diamonds weighing 1.72 carats in total, mounted in platinum, size 51.

    Accompanied by three reports each stating that the sapphire is of Burmese origin, no indication of thermal enhancement:
    SSEF report no. 37140; GRS report no. GRS 2001-04395 with special Comment “extremely rare combination of color variety (“royal blue”), excellent clarity and brilliancy, and absence of heat treatment” ; GÜBELIN report no. 0104025 with additional appendix
    SFr.2,500,000-4,000,000
    US$ 1,700,000-2,400,000


  104. 104
    Christie's | Apr-2002 | Hong Kong | Lot 1351, An Important Burmese Ruby Ring | GRS2001-05463

  105. 105
    Sotheby's | May-2002 | Geneva | Lot 75, Pair of Ruby and Diamond Earrings | GRS2001-07252

    Each Surmount set with a circular-cut ruby within a border of rose diamonds, supporting is stylised scroll motif set with similarly cut diamond and an obval ruby withina rose diamond border, the rubies weighing 8.11 carats in total, the diamonds stated to weigh 10.32 carats in total, mounted in 18 carat white gold.

    Accompanied by GRS report no. 2001-07252 stating that three rubies are of Burmese origin.


  106. 106
    Sotheby's | May-2002 | Geneva | Lot 82, Orange Sapphire and Diamond Ring | GRS 2001-11392

    Claw-set with a cushion-shaped orange sapphire weighing 5.22 carats, the mount partially pavé-set with brilliant-cut diamonds stated to weigh 2.20 carats in total, mounted in 18 carat gold
    Accompanied by GRS report no. GRS2001-11392 stating that the sapphire is Natural.


  107. 107
    Sotheby's | May-2002 | Geneva | Lot 191, Sapphire and Diamond Ring | GRS 2001-12485

    Claw-set with an oval sapphire weighing 23.45 carats, within a border of brilliant-cut diamonds stated to weigh 3.80 carats in total, mounted in platinum, size 54.

    Accompanied by GRS report no. 2001-12485 stating that the sapphire is of Burmese origin, no indication of thermal treatment.


  108. 108
    Sotheby's | May-2002 | Geneva | Lot 240, Very Fine Ruby and Diamond Ring | GRS2002-03295

    Set with an oval ruby weighing 8.01 carats, the shank pave-set with diamonds, mounted in 18 carat white gold, size 52, illustrated unmounted.

    Accompanied by GRS report no. 2002-03295 stating that the ruby is of Burmese origin, no indication of thermal enhancement, and that the color is vivid red (GRS type “pigeon’s blood”), with additional rarity comment: “very rare combination of size, color variety, fine brilliancy and absence of heat enhancement
    US$ 500,000-600,000


  109. 109
    Sotheby's | May-2002 | Geneva | Lot 243, Fine Pair of Sapphire and Diamond Earclips | GRS 2001-03069, 2001-03070

    Each claw-set with a cushion-shaped sapphire weighing 22.92 and 24.01 carats, within a border of marquise-shaped diamonds weighing approximately 19.00 carats in total, mounted in platinum.

    Accompanied by GRS two report nos. 2001-03070 and 2001-03069 stating that both sapphies are of Burmese origin, no indication of thermal treatment
    US$ 215,000-248,000


  110. 110
    Sotheby's | May-2002 | Hong Kong | Lot 1856, important Pair of Burmese Ruby Pendant Earrings | GRS2001-11585

    Set with two cushion-shaped Burmese rubies weighing 3.07 carats and 3.03 carats, within a circular-cut diamond surround, surmounted by circular-cut diamonds, mounted in 18 karat gold, photographed unmounted.

    Accompanied by GRS report number GRS2001-11585 stating that the rubies are of Burmese origin, natural, and have no indications of thermal enhancement.


  111. 111
    Sotheby's | Oct-2002 | Hong Kong | Lot 1188, Ruby and Diamond Ring | GRS2001-05302

    Centering a cushion-shaped ruby weighing 5.01 carats, within an octagonal baguette-cut diamond surround, framed by pavé-set diamonds, to the partially pavé-set diamond shank, together the diamonds weighing approximately 1.30 carats, mounted in 18 karat white gold.

    Ring size 6

    Accompanied by GRS report numbered GRS2001-05302 stating that the 5.01 carat ruby is natural, of Burmese origin. Rare color variety (“type pigeon blood”).


  112. 112
    Sotheby's | Nov-2002 | Geneva | Lot 66, Sapphire Ring | GRS 2001-03285

    Set with a sugarloaf sapphire weighing 29.20 carats, mounted in reeded 18 karat white gold, size 52.

    Accompanied by GRS report no. 2001-03285 stating that “gemmological testing revealed characteristics corresponding to those of a natural sapphire of Burma, no indication of thermal treatment.”


  113. 113
    Sotheby's | Nov-2002 | Geneva | Lot 150, Diamond and Ruby Ring | GRS2001-12352

    Designed as a cluster set with a cushion shaped ruby weighing 6.87 carats, within a border of brilliant-cut diamonds weighing approximately 2.40 carats in total, mounted in platinum, size 54.

    Accompanied by GRS report no. 2001-12352 stating that “gemmological testing revealed characteristics corresponding to those of a natural ruby from Burma, no indication of thermal treatment.”


  114. 114
    Sotheby's | Nov-2002 | Geneva | Lot 166, Sapphire and Diamond Ring | GRS 2002-051111

    Claw-set with an oval sapphire weighing 26.74 carats, within a border of brilliant-cut diamonds weighing approximately 3.70 carats in total, mounted in platinum size 54.

    Accompanied by GRS report no. 2002-051111 stating that “gemmological testing revealed characteristics corresponding to those of a natural sapphire from Burma, no indication of thermal treatment.”


  115. 115
    Sotheby's | Nov-2002 | Geneva | Lot 219, Sapphire and Diamond Ring | GRS 2002-04327

    Claw-set with an oval sapphire weighing approximately 7.50 carats, within a border of brilliant-cut diamonds weighing approximately 3.30 carats in total, mounted in platinum size 54 1/2.

    Accompanied by GRS report no. 2002-04327 stating that “gemmological testing revealed characteristics corresponding to those of a natural sapphire from Burma, no indication of thermal treatment.”


  116. 116
    Sotheby's | Nov-2002 | Geneva | Lot 221, Pair of Sapphire and Diamond Earclips | GRS 2001-11396

    Each designed as a cluster set with an oval sapphire, within a border of brilliant-cut diamonds weighing approximately 4.20 carats in total, the sapphires weighing 3.53 and 3.50 carats respectively, mounted in platinum.

    Accompanied by GRS report no. 2001-11396 stating that “gemmological testing revealed characteristics corresponding to those of two natural sapphires from Burma, no indication of thermal treatment.”


  117. 117
    Sotheby's | Nov-2002 | Geneva | Lot 238, Sapphire and Diamond Ring | GRS 2001-09091

    Claw-set with a cushion sapphire weighing 11.79 carats, the shoulders of stylised scroll design set with brilliant-cut diamonds, mounted in platinum size 54.

    Accompanied by GRS report no. 2001-09091 stating that “gemmological testing revealed characteristics corresponding to those of a natural sapphire from Burma, no indication of thermal treatment.”


  118. 118
    Sotheby's | Nov-2002 | Geneva | Lot 330, Fine Sapphire Ring | GRS 2002-071046

    Claw-set with an octagonal step-cut sapphire weighing 23.45 carats, mounted in 18 carat white gold, size 53.
    Accompanied by GRS report no. GRS2002-071046 respectively, both stating that “gemological testing revealed characteristics consistent with those of sapphires originating from Burma, no indications of thermal enhancement.”

    With GRS special comment : ‘ extremely rare combination of size, brilliancy, excellent clarity, color type ‘royal blue’ and absence of heat enhancement’.
    US$ 470,000-500,000


  119. 119
    Christie's | Nov-2002 | Geneva | Lot 122, A Sapphire Ring | GRS 2002-051112

  120. 120
    Christie's | Nov-2002 | Geneva | Lot 295, A Ruby and Diamond Ring | GRS2002-07455

  121. 121
    Christie's | Nov-2002 | Geneva | Lot 363, A Sapphire Ring | GRS 2000-09242

  122. 122
    Sotheby's | Dec-2002 | New York | Lot 140, Pair of Ruby and Diamond Earrings | GRS2002-03335

    The partly flexible pendants decorated with 10 cushion-shaped rubies in a cruciform design, weighing approximately 10.50 carats, completed by 34 round, baguette and marquise-shaped diamonds weighing approximately 2.25 carats, mounted in platinum.

    Accompanied by GRS report no. 2002-03335 stating that the rubies are of Burmese origin; no indication of thermal treatment.


  123. 123
    Sotheby's | Dec-2002 | New York | Lot 105, Sapphire And Diamond Ring | GRS2002-03097

    The cushion-shaped sapphire weighing approximately 9.00 carats, within an openwork mounting set with 58 round and 33 single-cut diamonds weighing approximately 3.00 carats, mounted in platinum, 1 diamond missing, size 6.

    Accompanied by GRS report no. 2002-03097 stating that the sapphire is of Burmese origin; no indication of thermal treatment.


  124. 124
    Sotheby's | Feb-2003 | St. Moritz | Lot 237, Sapphire and Diamond Ring | GRS 2002-01592

    Claw-set with a cushion-shaped sapphire weighing 18.11 carats within a border of brilliant-cut diamonds weighing approximately 4.20 carats in total, mounted in platinum.

    Accompanied by GRS report no. GRS2002-01592 stating that ‘Gemmological testing revealed characteristics corresponding to those of a natural sapphire from Burma, no indication of thermal treatment’.


  125. 125
    Sotheby's | Apr-2003 | Hong Kong | Lot 821, Ruby and Diamond Brooch | GRS2003-02832

    Of stylized floral design, set with five cushion-cut and six oval-shaped rubies together weighing approximately 14.05 carats, accented by a pear-shaped, marquise and circular-cut diamonds, completed by pave-set diamond swirls, together the diamonds weighing approximately 5.10 carats, mounted in 18 karat yellow and white gold.
    Accompanied by GRS report No. GRS2003-02832, dated 21 February 2003, stating that the eleven rubies are natural, with no indication of thermal treatment.


  126. 126
    Sotheby's | Apr-2003 | Hong Kong | Lot 822, Ruby and Diamond Ring | GRS9811004

    Centering an oval shaped ruby weighing 3.16 carats, flanked by two half-moon shaped diamonds, mounted in 18 karat yellow and white gold.

    Ring size 6

    Accompanied by GRS report No. GRS9811004, dated 30 October 1998, stating that the 3.16 carat ruby is natural, originating from Mogok, Burma, with no indication of thermal treatment.


  127. 127
    Sotheby's | Apr-2003 | Hong Kong | Lot 824, Pair of Emerald and Diamond Pendant Earrings | GRS 2003-02831

    In Belle Epoque style, each centering a step-cut emerald, surrounded by openwork pave-set diamonds, accented by two circular and one baguette-cut diamond, to the baguette-cut and pave-set diamond surmount, supported by a step-cut emerald top, altogether the emeralds weighing approximately 3.50 carats, the diamonds weighing approximately 1.85 carats, in 18 karat white gold.

    Accompanied by GRS report No. GRS2003-02831, dated 21 February 2003, stating that the four emeralds are natural, of Colombian origin. Clarity Enhancement: Minor.


  128. 128
    Sotheby's | Apr-2003 | Hong Kong | Lot 909, Pair of Ruby and Diamond Earclips | GRS2002-04329

    Each centering an oval-shaped ruby, together weighing approximately 12.85 carats, within a circular-cut diamond surround, together the diamonds weighing approximately 8.40 carats, mounted in platinum.

    Accompanied by GRS report No. GRS2002-04329, dated 19 April 2002, stating that the rubies are natural, of Burmese origin. Clarity and/or color are enhanced by heat.


  129. 129
    Sotheby's | Apr-2003 | Hong Kong | Lot 1031, Pair of Star Ruby and Diamond 'Star' Earrings | GRS 2002-09685

    Each centering a cabochon star ruby, together weighing approximately 6.00 carats, to the pave-set old-mine cut diamond background, the diamonds together weighing approximately 3.00 carats, mounted in platinum.

    Accompanied by GRS report No. GRS2002-09685, dated 29 September 2002, stating that the star rubies are natural, of Burmese origin, with no indication of thermal enhancement.


  130. 130
    Sotheby's | Apr-2003 | Hong Kong | Lot 1033, Fine pair of Ruby and Diamond Pendant Earrings | 6 GRSReports

    The earring set with three oval and three cushion-shaped rubies weighing 3.09, 2.68, 2.23 carats and 3.02, 2.58, 3.36 carats repectively, spaced by an oval-shaped diamond, together the diamonds weighing approximately 1.75 carats, mounted in platinum.

    Accompanied by six GRS reports stating that the rubies are all natural, of Burmese origin, with no indication of thermal enhancement.

    HK$ 3,100,000-4,100,000
    US$ 398,000-526,500


  131. 131
    Sotheby's | May-2003 | Geneva | Lot 21, Sapphire and Diamond Ring | GRS 2003-02389

    The cushion-shaped sapphire weighing 6.93 carats, within a border of brilliant-cut diamonds weighing approximately 2.70 in total, mounted in platinum, size 54.
    Accompanied by GRS report no. 2003-02389 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.
    SFr. 25,000-30,000
    US$ 18,000-22,000


  132. 132
    Sotheby's | May-2003 | Geneva | Lot 23, Pair of Sapphire and Diamond Earclips | GRS 2003-02388

    Each set with an oval sapphire within a border of brilliant-cut diamonds, the sapphire weighing approximately 9.50 carats in total, the diamonds weighing approximately 5.30 carats in total, mounted in platinum.
    Accompanied by GRS report no. 2003-02388 stating that both sapphires are of Burmese origin, with no indication of thermal treatment.


  133. 133
    Sotheby's | May-2003 | Geneva | Lot 25, Pair of Sapphire and Diamond Earclips | GRS 2003-02384

    Of Stylized flowerhead design, decorated with circular-cut and oval sapphires weighing approximately 16.00 carats in total and brilliant-cut and marquise-shaped diamonds weighing approximately 3.30 carats in total, mounted in platinum.
    Accompanied by GRS report no. 2003-02384 stating that the twelve sapphires are of Burmese origin, with no indication of thermal treatment.


  134. 134
    Sotheby's | May-2003 | Geneva | Lot 53, Sapphire and Diamond Ring | GRS 2002-051114

    The oval sapphire weighing 10.71 carats within a border brilliant-cut diamonds weighing approximately 2.80 carats in total, mounted in platinum, size 54.
    Accompanied by GRS report no. 2002-051114 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  135. 135
    Sotheby's | May-2003 | Geneva | Lot 113, Sapphire and Diamond Ring | GRS 2001-06472

    Set with a cushion-shaped sapphire weighing 16.22 carats, the claws and shoulders entirely decorated with a single-cut diamonds, mounted in platinum, size 52.
    Accompanied by GRS report no. 2001-06472 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  136. 136
    Sotheby's | Oct-2003 | Hong Kong | Lot 554, Sapphire and Diamond Ring | GRS 2003-02389

    Centering a cushion-shaped sapphire weighing approximately 6.93 carats, to the circular-cut diamond surround together weighing approximately 2.75 carats, mounted in platinum.

    Ring size 6

    Accompanied by GRS report No. GRS2003-02389, dated 10 February 2003, stating that the sapphire is natural, of Burmese origin, with no indication of thermal treatment.


  137. 137
    Sotheby's | Oct-2003 | Hong Kong | Lot 555, Pair of Sapphire and Diamond Earclips | GRS 2001-11396

    Each centering a cushion-shaped sapphire weighing 3.53 carats and 3.50 carats respectively, to the circular-cut diamond surround together weighing approximately 4.25 carats, mounted in platinum.

    Accompanied by GRS report No. GRS2001-11396, dated 10 November 2001, stating that the sapphires are natural, of Burmese origin, with no indication of thermal treatment.


  138. 138
    Sotheby's | Oct-2003 | Hong Kong | Lot 611, Ruby and Diamond Ring | GRS2003-011056

    Centering an oval-shaped ruby weighing 4.02 carats, flanked by two fancy-shaped diamonds together weighing approximately 1.60 carats, mounted in 18 karat white gold.

    Ring size 5

    Accompanied by GRS report No. GRS2003-011056, dated 20 January 2003, stating that the 4.02 carat ruby is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  139. 139
    Sotheby's | Oct-2003 | Hong Kong | Lot 619, Pair of Ruby and Diamond Earclips | GRS2003-02484

    Each centering an oval-shaped ruby weighing 4.03 carats, to the oval-shaped diamond surround together weighing approximately 3.75 carats, mounted in 18 karat white gold and platinum.

    Accompanied by GRS report No. GRS2003-02484, dated 15 February 2003, stating that the 4.03 carats rubies are natural, of Burmese origin. Enhanced by heat, residues insignificant (indication of very small residues within fissures)


  140. 140
    Sotheby's | Oct-2003 | Hong Kong | Lot 646, Ruby and Diamond Ring | GRS2003-060705

    Centering an oval-shaped ruby weighing 6.80 carats, to the oval-shaped diamond surround together weighing approximately 3.15 carats, mounted in 18 karat yellow and white gold.

    Ring size 5

    Accompanied by GRS report No. GRS2003-060705, dated 24 June 2003, stating that the 6.80 carat ruby is natural, of Burmese (Myanmar) origin, with no indication of thermal enhancement. Rubies which have not been enhanced by heat are scarce

    HK$ 1,600,000-2,000,000
    US$ 210,000-260,000


  141. 141
    Sotheby's | Oct-2003 | Hong Kong | Lot 660, Fine Star Ruby and Diamond Ring | GRS 2003-070431

    Centering a star ruby weighing 12.01 carats, to the circular-cut diamond surround and partially set shank, mounted in 18 karat rose gold.

    Ring size 5

    Accompanied by GRS report No. GRS2003-070431, dated 9 July 2003, stating that the 12.01 carat ruby is natural, of Burmese (Myanmar) origin, with no indication of thermal enhancement. Quality comment (“Well established sharp star effect”)

    HK$ 1,000,000-1,500,000
    US$ 130,000-200,000


  142. 142
    Sotheby's | Oct-2003 | Hong Kong | Lot 796, Highly Important and Rare Pair of Ruby and Diamond Earclips | GRS2003-060706

    Each centering an oval-shaped ruby weighing 6.16 and 6.66 carats respectively, to the oval-shaped diamond surround together weighing approximately 6.80 carats, mounted in 18 karat yellow and white gold, earpins retractable.

    Accompanied by GRS reports No. GRS2003-060706 and 060707, dated 15 February 2003, stating that the Two rubies are natural, of Burmese (Myanmar) origin, with no indications of thermal enhancement.
    Rubies which have not been enhanced by heat are scarce.

    HK$ 5,700,000-66,700,000
    US$ 730,000-860,000


  143. 143
    Sotheby's | Oct-2003 | Hong Kong | Lot 796, Highly Important and Rare Pair of Ruby and Diamond Earclips | GRS2003-060707

    Each centering an oval-shaped ruby weighing 6.16 and 6.66 carats respectively, to the oval-shaped diamond surround together weighing approximately 6.80 carats, mounted in 18 karat yellow and white gold, earpins retractable.

    Accompanied by GRS reports No. GRS2003-060706 and 060707, dated 15 February 2003, stating that the Two rubies are natural, of Burmese (Myanmar) origin, with no indications of thermal enhancement.
    Rubies which have not been enhanced by heat are scarce.

    HK$ 5,700,000-66,700,000
    US$ 730,000-860,000


  144. 144
    Christie's | Oct-2003 | Hong Kong | Lot 1445, A Star Sapphire, Star Ruby and Diamond Ring | GRS 2002-09091, 2003-05454

    Of crossover design, each terminal set with a star sapphire or star ruby weighing 6.96 and 5.00 carats respectively, each in a circular-cut diamond scroll gallery, to the pavé-set diamond shoulders and hoop, mounted in 18k yellow and white gold, ring size 6
    With two certificates GRS2002-09091 and GRS2003-05454 dated 4 September 2002 and 13 May 2003 respectively from the GemResearch Swisslab stating that both the star sapphire and star ruby are of Burmese origin and with no indication of thermal treatment


  145. 145
    Christie's | Oct-2003 | Hong Kong | Lot 1446, A Pair of Sapphire and Diamond Earrings | GRS 2002-09138, 2002-09420

    Each set with a sugarloaf sapphire weighing 8.70 and 9.70 carats, in a baguette-cut diamond surround, mounted in 18k white gold
    With two certificates GRS2002-09138 and GRS2002-09420 dated 9 and 18 September 2002 from the GemResearch Swisslab stating that both sapphires are of Burmese origin and with no indication of thermal treatment


  146. 146
    Christie's | Oct-2003 | Hong Kong | Lot 1530, A Pair of Ruby, Diamond and Pink Diamond Earrings | GRS2003-080214

    Each set with a cushion-shaped ruby weighing 4.22 and 4.27 carats, in a circular-cut pink diamond or diamond two-tiered cluster surround, mounted in 18k pink gold
    With two certificates GRS2003-080214 and GRS2003-080215 dated 18 August 2003 from the GemResearch Swisslab stating that both rubies are of Burmese origin and with no indication of thermal treatment


  147. 147
    Christie's | Oct-2003 | Hong Kong | Lot 1530, A Pair of Ruby, Diamond and Pink Diamond Earrings | GRS2003-080215

    Each set with a cushion-shaped ruby weighing 4.22 and 4.27 carats, in a circular-cut pink diamond or diamond two-tiered cluster surround, mounted in 18k pink gold
    With two certificates GRS2003-080214 and GRS2003-080215 dated 18 August 2003 from the GemResearch Swisslab stating that both rubies are of Burmese origin and with no indication of thermal treatment


  148. 148
    Christie's | Oct-2003 | Hong Kong | Lot 1531, A Ruby and Diamond Necklace | GRS2003-01227

    The front section alternately set with a fringe of oval-cut rubies and rose-cut diamonds with circular-cut diamond surmount, mounted in 18k white gold, 39.5 cm.
    With certificate GRS2003-01227 dated 2 January 2003 from the GemResearch Swisslab stating that seven rubies are of Burmese origin and with no indication of thermal treatment; one ruby is of Burmese origin, enhanced by heat and with insignificant residue present; and one ruby with no indication of thermal treatment, origin unknown


  149. 149
    Christie's | Oct-2003 | Hong Kong | Lot 1603, A Pair of Ruby and Diamond Ear Pendants | GRS2003-04834

    Each set with an oval-cut ruby with five baguette-cut diamond terminals suspending three modified diamond briolettes, to the graduated diamond collet line surmount and top, mounted in platinum.
    With certificates GRS2003-04834 dated 23 April 2003 from the GemResearch Swisslab stating that both rubies are of Burmese origin and with no indication of thermal enhancement


  150. 150
    Sotheby's | Nov-2003 | Geneva | Lot 233, Sapphire and Diamond Diamond Necklace and Ring | 8 GRS Reports

    The necklace designed as a chain of floral motifs set with brilliant-cut diamonds weighing approximately 7.20 carats in total, decorated at the front and on the clasp with eight circular-cut sapphires weighing approximately 49.00 carats in total, mounted in 18 Karat white gold; and a ring set with a circular-cut sapphire weighing 5.83 carats between brilliant-cut diamond shoulders, each signed Mouawad, necklace length approximately 420mm, ring size 53.

    Each sapphire accompanied by a GRS report stating that it is of Sri Lankan (Ceylon) origin, with no indication of thermal treatment


  151. 151
    Sotheby's | Feb-2004 | St. Moritz | Lot 49, Two Gem-Set Rings | GRS 2003-02897

    One collet-set with an oval blue sapphire weighing 5.71 carats within a surround pav-set circular-cut sapphires, mounted in 18 carat white gold; the other of similar design, set with pink spinels, the center stone weighing 6.51 carats, sizes 51 each.

    Accompanied by GRS report GRS2003-02897 stating that the sapphire is of Burmese origin, with no indication of thermal treatment, …..


  152. 152
    Sotheby's | Feb-2004 | St. Moritz | Lot 57, Chalcedony and Sapphire Ring | GRS 2003-031001

    The carved chalcedony mount collet-set at the centre with an oval sapphire weighing 6.61 carats, size 51.

    Accompanied by GRS report GRS2003-031001 stating that the sapphire is of Burmese origin, with no indication of thermal treatment, …..


  153. 153
    Christie's | Apr-2004 | Hong Kong | Lot 1860, A Pair of Spinel and Diamond Flowerhead Ear Clips | GRS 2003-070141

    Each set with an oval-cut violet or purple spinel weighing 4.87 or 5.14 carats, to the circular-cut diamond petals and spacers, mounted in gold.
    With report no. GRS2003-070141 dated 2 July 2003 from the GemResearch SwissLab stating that both spinels are natural


  154. 154
    Christie's | Apr-2004 | Hong Kong | Lot 1887, A Pair of Ruby and Diamond Ear Clips | GRS2004-020091T

    Each set with a cushion-shaped ruby weighing the total of 6.62 carats, with a circular-cut diamond border and rose-cut diamond cluster surround, mounted in platinum.

    With report no. GRS2004-020091T dated 9 February 2004 from the GemResearch SwissLab stating that both rubies are of Burmese origin, with no indication of thermal treatment


  155. 155
    Christie's | Apr-2004 | Hong Kong | Lot 1890, A Ruby and Diamond Ring | GRS2004-020133T

    Set with a cushion-shaped ruby weighing 3.70 carats in a circular-cut surround, to a plain platinum hoop, ring size 6

    With report no. GRS2004-020133T dated 13 February 2004 from the GemResearch SwissLab stating that the ruby is of Burmese origin and with no indication of thermal treatment


  156. 156
    Christie's | Apr-2004 | Hong Kong | Lot 2050, A Cat's Eye Alexandrite and Yellow Diamond Ring | GRS 2003-120698

    Set with a cat’s eye alexandrite weighing 7.20 carats, to a circular-cut yellow diamond gallery and hoop, mounted in 18k gold, ring size 6

    With report no. GRS2003-120698 dated 23 December 2003 from the GemResearch SwissLab stating that the cat’s eye alexandrite is natural, with colour change from “olive-green” (daylight) to “salmon-red” (incadescent light)


  157. 157
    Christie's | Apr-2004 | Hong Kong | Lot 2187, A Pair of Ruby and Diamond Earrings | GRS2001-05283

    Each set with a heart-shaped ruby weighing 2.03 and 2.08 carats in a circular-cut diamond surround, to the centre of a concave textured palladium panel with undulating diamond trim.

    With report no. GRS2001-05283 dated 11 May 2001 from the GemResearch SwissLab stating that the 2.03 carat ruby is of Burmese origin and with no indication of thermal treatment
    Also with report no. GRS2001-03425 dated 16 March 2001 from the GemResearch SwissLab stating that the 2.08 carat ruby is of Burmese origin and enhanced by heat (no residue present)


  158. 158
    Christie's | Apr-2004 | Hong Kong | Lot 2187, A Pair of Ruby and Diamond Earrings | GRS2001-03425

    Each set with a heart-shaped ruby weighing 2.03 and 2.08 carats in a circular-cut diamond surround, to the centre of a concave textured palladium panel with undulating diamond trim.

    With report no. GRS2001-05283 dated 11 May 2001 from the GemResearch SwissLab stating that the 2.03 carat ruby is of Burmese origin and with no indication of thermal treatment
    Also with report no. GRS2001-03425 dated 16 March 2001 from the GemResearch SwissLab stating that the 2.08 carat ruby is of Burmese origin and enhanced by heat (no residue present)


  159. 159
    Christie's | Apr-2004 | Hong Kong | Lot 2284, An Emerald and Diamond Ring | GRS 2003-021075

    Set with a cut-cornered square-cut emerald weighing 4.10 carats, flanked to each side by a modified triangular-cut diamond, mounted in 18k white and yellow gold, ring size 5

    With duplicate report no. GRS2003-021075 dated 6 March 2003 from the GemResearch SwissLab stating that the emerald is of Colombian origin and with minor clarity enhancement


  160. 160
    Sotheby's | Apr-2004 | Hong Kong | Lot 838, Pair Of Sapphire And Diamond Pendent Earrings | GRS 2003-090949

    Each set with a cushion-shaped sapphire weighing 7.23 and 6.64 carats respectively, to the entirely diamond-set basket, supported by a horse-shoe shaped diamond-set top, together the diamonds weighing approximately 1.60 carats, mounted in platinum.

    Accompanied by GRS report numbered GRS2003-090949, dated 23 September 2003, stating that the two sapphires are natural, originated from Madagascar, with no indication of thermal treatment.


  161. 161
    Sotheby's | Apr-2004 | Hong Kong | Lot 856, Star Ruby Ring | GRS 2004-030374

    Set with a cabochon star ruby weighing 12.11 carats,to the pav-set diamond surround and diamond-set shank, mounted in 18 karat white gold. Ring size: 5.5

    Accompanied by GRS report numbered GRS2004-030374, dated 4 March 2004,stating that the ruby is natural, originated from Burma(Myanmar), with no indication of thermal treatment. Burmese star rubies over 12 carats with sharp star effect of equally developed sharp rays are very rare.


  162. 162
    Sotheby's | Apr-2004 | Hong Kong | Lot 867, Ruby And Diamond Ring | GRS2004-010717

    Centering a cushion-shaped ruby weighing 6.65 carats, to the half-moon shaped diamond surround together weighing approximately 1.80 carats, mounted in 18 karat yellow and white gold. Ring size:6

    Accompanied GRS report numbered GRS2004-010717, dated 21 January 2004, stating that the ruby is natural,o riginated from Burma(Myanmar), with no indication of thermal treatment.


  163. 163
    Sotheby's | Apr-2004 | Hong Kong | Lot 868, Pair Of Ruby And Diamond Earrings | GRS2003-100142

    Each centering a cushion-shaped and an oval-shaped ruby weighing 5.17 and 2.50 carats, mounted in 18 karat yellow and white gold, en suite with previous lot.

    Accompanied by GRS reports numbered GRS2003-100142 and 100144, dated 6 October 2003, stating that the rubies are natural, originated from Burma(Myanmar), with no indication of thermal enhancement. Rubies which have not been enhanced by heat are scarce.


  164. 164
    Sotheby's | Apr-2004 | Hong Kong | Lot 868, Pair Of Ruby And Diamond Earrings | GRS2003-100144

    Each centering a cushion-shaped and an oval-shaped ruby weighing 5.17 and 2.50 carats, mounted in 18 karat yellow and white gold, en suite with previous lot.

    Accompanied by GRS reports numbered GRS2003-100142 and 100144, dated 6 October 2003, stating that the rubies are natural, originated from Burma(Myanmar), with no indication of thermal enhancement. Rubies which have not been enhanced by heat are scarce.


  165. 165
    Sotheby's | Apr-2004 | Hong Kong | Lot 869, Ruby And Diamond Necklace | GRS2004-021147

    Set with forty graduated oval-shaped rubies together weighing 87.43 carats, each framed by half-moon shaped diamonds together weighing approximately 42.30 carats, mounted in 18 karat yellow and white gold, en suite with previous lots. Length approximately 460mm.

    Accompanied by GRS report numbered GRS 2004-021147, dated 13 March 2004, stating that the rubies are natural, originated from Burma(Myanmar), with no indications of thermal enhancement.


  166. 166
    Sotheby's | Apr-2004 | Hong Kong | Lot 954, Pair of Sapphire and Diamond Pendent Earrings | GRS 2004-010020, 2004-010023

    Each set with a pear-shaped sapphire weighing 10.03 and 10.59 carats respectively, suspended from a line of circular-cut diamonds of varying sizes, together the diamond weighing approximately 3.35 carats, mounted in 18 karat white gold.

    Accompanied by GRS report numbered GRS2004-010020 and GRS2004-010023, dated 5 January 2004, stating that sapphires are natural, originated from Burma(Myanmar), with no indication of thermal treatment.


  167. 167
    Sotheby's | Apr-2004 | Hong Kong | Lot 993, Pair Of Sapphire And Diamond Earrings | GRS 2003-100730

    Each set with a sugar loaf cabochon sapphire weighing 10.92 and 11.60 carats respectively, to the pave-set diamond surround, together the diamonds weighing approximately 1.90 carats, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS 2003-100730 and 110186, dated October and November 2003, stating that the sapphires are natural, originated from Burma(Myanmar), with no indication of thermal treatment.


  168. 168
    Sotheby's | Apr-2004 | Hong Kong | Lot 993, Pair Of Sapphire And Diamond Earrings | GRS 2003-110186

    Each set with a sugar loaf cabochon sapphire weighing 10.92 and 11.60 carats respectively, to the pave-set diamond surround, together the diamonds weighing approximately 1.90 carats, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS 2003-100730 and 110186, dated October and November 2003, stating that the sapphires are natural, originated from Burma(Myanmar), with no indication of thermal treatment.


  169. 169
    Sotheby's | Apr-2004 | Hong Kong | Lot 994, Ruby and Diamond Pendant Necklace and Pair of Matching Pendent Earrings | GRS2002-12286

    The necklace set with three graduated heart-shaped rubies weighing 7.37, 7.56 and 15.03 carats respectively, spaced by marquise-shaped diamonds, to the link-chain necklace with circular-cut diamonds set at intervals, together the diamonds weighing approximately 4.65 carats; earrings en suite, each heart-shaped ruby weighing 5.64 and 5.03 carats, the diamonds together weighing approximately 2.00 carats, mounted in 18 karat white gold. (2) Length approximately 445mm.

    Accompanied by five GRS reports numbered GRS2002-12286 to 12290, dated 12 December 2002, stating that the rubies originated from Burma(Myanmar), with no indication of thermal treatment.


  170. 170
    Sotheby's | Apr-2004 | Hong Kong | Lot 994, Ruby and Diamond Pendant Necklace and Pair of Matching Pendent Earrings | GRS2002-12287

    The necklace set with three graduated heart-shaped rubies weighing 7.37, 7.56 and 15.03 carats respectively, spaced by marquise-shaped diamonds, to the link-chain necklace with circular-cut diamonds set at intervals, together the diamonds weighing approximately 4.65 carats; earrings en suite, each heart-shaped ruby weighing 5.64 and 5.03 carats, the diamonds together weighing approximately 2.00 carats, mounted in 18 karat white gold. (2) Length approximately 445mm.

    Accompanied by five GRS reports numbered GRS2002-12286 to 12290, dated 12 December 2002, stating that the rubies originated from Burma(Myanmar), with no indication of thermal treatment.


  171. 171
    Sotheby's | Apr-2004 | Hong Kong | Lot 994, Ruby and Diamond Pendant Necklace and Pair of Matching Pendent Earrings | GRS2002-12288

    The necklace set with three graduated heart-shaped rubies weighing 7.37, 7.56 and 15.03 carats respectively, spaced by marquise-shaped diamonds, to the link-chain necklace with circular-cut diamonds set at intervals, together the diamonds weighing approximately 4.65 carats; earrings en suite, each heart-shaped ruby weighing 5.64 and 5.03 carats, the diamonds together weighing approximately 2.00 carats, mounted in 18 karat white gold. (2) Length approximately 445mm.

    Accompanied by five GRS reports numbered GRS2002-12286 to 12290, dated 12 December 2002, stating that the rubies originated from Burma(Myanmar), with no indication of thermal treatment.


  172. 172
    Sotheby's | Apr-2004 | Hong Kong | Lot 994, Ruby and Diamond Pendant Necklace and Pair of Matching Pendent Earrings | GRS2002-12289

    The necklace set with three graduated heart-shaped rubies weighing 7.37, 7.56 and 15.03 carats respectively, spaced by marquise-shaped diamonds, to the link-chain necklace with circular-cut diamonds set at intervals, together the diamonds weighing approximately 4.65 carats; earrings en suite, each heart-shaped ruby weighing 5.64 and 5.03 carats, the diamonds together weighing approximately 2.00 carats, mounted in 18 karat white gold. (2) Length approximately 445mm.

    Accompanied by five GRS reports numbered GRS2002-12286 to 12290, dated 12 December 2002, stating that the rubies originated from Burma(Myanmar), with no indication of thermal treatment.


  173. 173
    Sotheby's | Apr-2004 | Hong Kong | Lot 994, Ruby and Diamond Pendant Necklace and Pair of Matching Pendent Earrings | GRS2002-12290

    The necklace set with three graduated heart-shaped rubies weighing 7.37, 7.56 and 15.03 carats respectively, spaced by marquise-shaped diamonds, to the link-chain necklace with circular-cut diamonds set at intervals, together the diamonds weighing approximately 4.65 carats; earrings en suite, each heart-shaped ruby weighing 5.64 and 5.03 carats, the diamonds together weighing approximately 2.00 carats, mounted in 18 karat white gold. (2) Length approximately 445mm.

    Accompanied by five GRS reports numbered GRS2002-12286 to 12290, dated 12 December 2002, stating that the rubies originated from Burma(Myanmar), with no indication of thermal treatment.


  174. 174
    Sotheby's | Apr-2004 | Hong Kong | Lot 999, Ruby and Jadeite Pendant | GRS2003-090003

    Set with a pear-shaped ruby weighing 8.33 carats, suspended from a trilliant-cut ruby weighing 2.01 carats, spaced by an intricately carved round emerald green translucent jadeite bead measuring approximately 7.20mm, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS2003-090004 and GRS2003-090003, dated 1 September 2003, stating that the rubies are natural, originated from Burma(Myanmar), with no indication of thermal treatment.


  175. 175
    Sotheby's | Apr-2004 | Hong Kong | Lot 999, Ruby and Jadeite Pendant | GRS2003-090004

    Set with a pear-shaped ruby weighing 8.33 carats, suspended from a trilliant-cut ruby weighing 2.01 carats, spaced by an intricately carved round emerald green translucent jadeite bead measuring approximately 7.20mm, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS2003-090004 and GRS2003-090003, dated 1 September 2003, stating that the rubies are natural, originated from Burma(Myanmar), with no indication of thermal treatment.


  176. 176
    Sotheby's | Apr-2004 | Hong Kong | Lot 1000, Pair of Ruby and Diamond Pendent Earrings | GRS2004-020424

    Each set with an oval-shaped ruby weighing 2.24 and 2.06 carats respectively, suspended from a link-chain of circular-cut diamonds set at intervals, to the oval-shaped ruby top, mounted in 18 karat white gold.

    Accompanied by GRS report numbered GRS2004-020424, dated 5 February 2004, stating that the 2.24 and 2.06 carat rubies are natural, originated from Burma(Myanmar), with no indication of thermal treatment.


  177. 177
    Sotheby's | Apr-2004 | Hong Kong | Lot 1001, Ruby and Diamond Ring | GRS2003-070494

    Centering a cushion-shaped ruby weighing 3.01 carats, flanked by two baguette diamonds, mounted in 18 karat white gold. Ring size:5.5

    Accompanied by GRS report numbered GRS2003-070494, dated 15 July 2003, stating that the ruby is natural, originated from Burma(Myanmar), with no indication of thermal treatment. GRS color type “pigeon’s blood”.


  178. 178
    Sotheby's | Apr-2004 | Hong Kong | Lot 1009, Fine Pair of Ruby and Diamond Pendent Earrings | GRS2004-020303

    Each set with a cushion-shaped ruby weighing 5.04 and 4.43 carats respectively, to the circular-cut diamond surround, suspended from two link-chains of circular-cut diamonds set at intervals, supported by a cushion-shaped ruby top weighing 1.22 and 1.32 carats respectively, together the diamonds weighing approximately 1.15 carats, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS2004-020303 and 4, dated 2 February 2004, stating that the 1.22 and 1.32 carat rubies are natural, originated from Burma(Myanmar), with no indication of thermal enhancement.


  179. 179
    Sotheby's | Apr-2004 | Hong Kong | Lot 1009, Fine Pair of Ruby and Diamond Pendent Earrings | GRS2004-020304

    Each set with a cushion-shaped ruby weighing 5.04 and 4.43 carats respectively, to the circular-cut diamond surround, suspended from two link-chains of circular-cut diamonds set at intervals, supported by a cushion-shaped ruby top weighing 1.22 and 1.32 carats respectively, together the diamonds weighing approximately 1.15 carats, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS2004-020303 and 4, dated 2 February 2004, stating that the 1.22 and 1.32 carat rubies are natural, originated from Burma(Myanmar), with no indication of thermal enhancement.


  180. 180
    Sotheby's | May-2004 | Geneva | Lot 49, Sapphire and Diamond Ring | GRS 2002-05660

    Claw-set with an oval sapphire weighing 12.35 carats within a border of brilliant-cut diamonds weighing approximately 2.90 carats in total, mounted in platinum, size 54.

    Accompanied by GRS report no. GRS2002-05660 stating that the sapphire is of Burmese origin, with no indication of thermal treatment


  181. 181
    Sotheby's | May-2004 | Geneva | Lot 71, Spinel and Diamond Ring | GRS 2003-111064

    Claw-set with an oval red spinel weighing 8.15 carats within a border of pear-shaped diamonds weighing approximately 2.80 carats in total, mounted in platinum, size 52.

    Accompanied by GRS report no. GRS2003-111064 stating that the spinel is of Burmese origin


  182. 182
    Sotheby's | May-2004 | Geneva | Lot 82, Fine Ruby and Diamond Ring | GRS2003-100574

    Claw-set with a cushion-shaped ruby weighing 3.02 carats within a border of marquise-shaped and oval diamonds weighing approximately 2.50 carats in total, mounted in 18 karat white gold, size 52.

    Accompanied by GRS report no. GRS2003-100574 stating that the ruby is of Burmese origin, with no indication of thermal treatment


  183. 183
    Sotheby's | May-2004 | Geneva | Lot 83, Ruby and Diamond Ring | GRS2004-010327

    Claw-set with a step-cut ruby weighing 3.82 carats, between princess-cut diamond shoulders, mounted in 18 karat white gold, size 52.

    Accompanied by GRS report no. GRS2004-010327 stating that the ruby is of Burmese origin, with no indication of thermal treatment


  184. 184
    Sotheby's | May-2004 | Geneva | Lot 103, Attractive Pair of Sapphire and Diamond Pendant Earrings | GRS 2003-011333

    Each supporting a cushion-shaped sapphire, weighing 9.09 and 9.21 carats respectively, within an 18 karat white gold mount set with brilliant-cut diamonds.

    Accompanied by two GRS reports no. GRS2003-011333 and GRS2003-011334 stating that the sapphires are of Burmese origin, with no indication of thermal treatment


  185. 185
    Sotheby's | May-2004 | Geneva | Lot 103, Attractive Pair of Sapphire and Diamond Pendant Earrings | GRS 2003-011334

    Each supporting a cushion-shaped sapphire, weighing 9.09 and 9.21 carats respectively, within an 18 karat white gold mount set with brilliant-cut diamonds.

    Accompanied by two GRS reports no. GRS2003-011333 and GRS2003-011334 stating that the sapphires are of Burmese origin, with no indication of thermal treatment


  186. 186
    Sotheby's | May-2004 | Geneva | Lot 150, Pair of Ruby and Diamond Pendant Earrings | GRS2003-010714

    Each supporting an oval ruby, weighing 2.50 and 2.27 carats, suspended from a line of brilliant-cut diamonds, mounted in 18 karat white gold.

    Accompanied by two GRS reports no. GRS2003-010714 and GRS2003-010715 stating that the rubies are of Burmese origin, with no indication of thermal treatment


  187. 187
    Sotheby's | May-2004 | Geneva | Lot 150, Pair of Ruby and Diamond Pendant Earrings | GRS2003-010715

    Each supporting an oval ruby, weighing 2.50 and 2.27 carats, suspended from a line of brilliant-cut diamonds, mounted in 18 karat white gold.

    Accompanied by two GRS reports no. GRS2003-010714 and GRS2003-010715 stating that the rubies are of Burmese origin, with no indication of thermal treatment


  188. 188
    Sotheby's | May-2004 | Geneva | Lot 195, Important Pair of Ruby and Diamond Pendant Earrings | GRS2004-01416

    Each shield-shaped diamond surround supporting a brilliant-cut diamond and pear-shaped ruby drop, the rubies weighing 5.87 and 7.05 carats, mounted in 18 karat white gold.

    Accompanied by GRS report no. GRS2004-01416 stating that the rubies are of Burmese origin, with no indication of thermal enhancement


  189. 189
    Sotheby's | May-2004 | Geneva | Lot 200, Ruby and Diamond Ring | GRS2004-010722

    Claw-set with an oval ruby weighing 8.03 carats within a border of brilliant-cut diamonds weighing approximately 3.20 carats, mounted in platinum, size 54.
    Accompanied by GRS report no. GRS2004-010722 stating that the ruby is of Burmese origin, with no indication of thermal treatment


  190. 190
    Sotheby's | May-2004 | Geneva | Lot 285, Important Pair of Ruby and Diamond Earclips | GRS2004-010463

    Each claw-set with a cushion-shaped ruby weighing 7.10 and 6.21 carats respectively, with one corner bordered by a cluster of marquise- and pear-shaped diamonds weighing approximately 2.40 carats, mounted in platinum.
    Accompanied by GRS report no. GRS2004-010463 stating that the rubies are of Burmese origin, with no indication of thermal treatment


  191. 191
    Sotheby's | May-2004 | Geneva | Lot 303, Fine Ruby and Diamond Ring | GRS2001-12113

    Claw-set with a cushion-shaped ruby weighing 6.96 carats, within a border of brilliant-cut diamonds weighing approximately 3.00 carats in total, mounted in platinum, size 52.
    Accompanied by GRS report no. GRS2001-12113 stating that the ruby is of Burmese origin, with no indication of thermal treatment


  192. 192
    Sotheby's | May-2004 | Geneva | Lot 304, Attractive Pair of Ruby and Diamond Pendant Earrings | GRS2004-010712

    Each diamond surmount supporting an oval ruby, stated to weigh 3.12 and 3.04 carats respectively, within a brilliant-cut diamond border,the diamonds weighing approximately 2.50 carats in total, mounted in 18 karat white gold.

    Accompanied by GRS reports no. GRS2004-010712 and GRS2004-010713 stating that the rubies are of Burmese origin, with no indication of thermal enhancement


  193. 193
    Sotheby's | May-2004 | Geneva | Lot 304, Attractive Pair of Ruby and Diamond Pendant Earrings | GRS2004-010713

    Each diamond surmount supporting an oval ruby, stated to weigh 3.12 and 3.04 carats respectively, within a brilliant-cut diamond border,the diamonds weighing approximately 2.50 carats in total, mounted in 18 karat white gold.

    Accompanied by GRS reports no. GRS2004-010712 and GRS2004-010713 stating that the rubies are of Burmese origin, with no indication of thermal enhancement


  194. 194
    Sotheby's | Jun-2004 | London | Lot 270, Ruby and Diamond Ring, Asprey | GRS2004-030345

    Set at the center with a oval-shaped ruby weighing 5.50 carats, between kite-shaed diamond shoulders, size N.

    Accompanied with a report from the GRS, dated 2nd March 2004, stating that the origin of the ruby was Burmese.


  195. 195
    Sotheby's | Jun-2004 | London | Lot 347, Sapphire and Diamond Ring | GRS 2003-04307

    Set with a cushion-shaped sapphire weighing 10.76 carats, between a graduated line of princess-cut diamonds, size M.

    Accompanied by GRS certificate stating sapphire has no indication of thermal treatment.


  196. 196
    Sotheby's | Jun-2004 | London | Lot 349, Sapphire and Diamond Ring | GRS 2004-010625

    Set at the center with a cushion-shaped sapphire weighing 21.30 carats, between a graduated baguette diamond shoulders, size M, English hallmarks.

    Accompanied by GRS certificate stating sapphire has no indication of thermal treatment.


  197. 197
    Sotheby's | Jun-2004 | New York | Lot 175, Yellow Sapphire and Diamond Ring | GRS 2004-010462

    The cushion-shaped yellow sapphire weighing 21.52 carats, flanked by epaulette-cut diamonds weighing approximately .80 carat, mounted in platinum and 18 karat gold, size 6.

    Accompanied by GRS report no. 2004-010462 stating that the sapphire is natural and of Sri Lankan origin.


  198. 198
    Sotheby's | Jun-2004 | New York | Lot 193, Sapphire and Diamond Ring | GRS2003-050831

    The cushion-shaped sapphire weighing 16.57 carats, framed by 14 round diamonds weighing approximately 2.75 carats, mounted in platinum, size 6 ½.

    Accompanied by GRS report no. 2003-050831 stating that the sapphire is of Madagascar origin; no indication of thermal treatment.


  199. 199
    Sotheby's | Aug-2004 | Scotland | Lot 418, Sapphire and Diamond Ring | 1 GRS Report

    Claw-set with an oval sapphire weighing 4.99 carats, between tapered baguette diamond shoulders, size M.

    Accompanied with a report from the GRS, stating natural sapphire with no indication of thermal treatment.


  200. 200
    Sotheby's | Oct-2004 | New York | Lot 226, Sapphire and Diamond Ring | GRS 2004-040261T

    The oval shaped sapphire weighing approximately 10.22 carats, framed by 12 round diamonds weighing approximately 2.50 carats, mounted in platinum, size 6 3/4.

    Accompanied by GRS report no. 2004-040261T stating natural sapphire; no indication of thermal treatment.


  201. 201
    Sotheby's | Oct-2004 | New York | Lot 281, Sapphire and Diamond Ring | GRS 2004-020001T

    The cushion-shaped sapphire weighing 13.04 carats, framed by 12 old-mine and old European-cut diamonds weighing approximately 3.25 carats, mounted in platinum, size 5 ½.

    Accompanied by GRS report no. 2004-020001T stating natural sapphire, no indication of thermal treatment.


  202. 202
    Christie's | Oct-2004 | New York | Lot 352, Ruby and Diamond Ring | GRS2004-050039T

    Centering upon an oval-cut ruby, weighing approximately 5.14 carats, within a circular-cut diamond surround, mounted in 18k white gold

    With report GRS2004-050039T dated 7 May 2004 from the GRS Gemresearch Swisslab stating that the natural ruby is of Burma (Myanmar) origin and shows no indications of thermal treatment
    The total weight of the diamonds is approximately 2.60 carats


  203. 203
    Christie's | Oct-2004 | New York | Lot 504, Sapphire and Diamond Ring | GRS 2003-050831

    Centering upon an oval-cut ruby, weighing approximately 5.14 carats, within a circular-cut diamond surround, mounted in 18k white gold

    With report GRS2004-050039T dated 7 May 2004 from the GRS Gemresearch Swisslab stating that the natural ruby is of Burma (Myanmar) origin and shows no indications of thermal treatment
    The total weight of the diamonds is approximately 2.60 carats


  204. 204
    Sotheby's | Nov-2004 | London | Lot 167, Sapphire and Diamond Ring | 1 GRS Report

    The step-cut sapphire weighing 2.44 carats between baguette diamond shoulders, size M.

    Accompanied with a report from GRS, stating that the sapphire was found to be natural with no indication of of thermal heat treatment.


  205. 205
    Sotheby's | Nov-2004 | Hong Kong | Lot 874, Important Pair of Ruby and Diamond Earrings | GRS2004-050790

    Each simply set with an oval ruby weighing 6.53 and 7.56 carats respectively, to circular-cut diamond surrounds together weighing approximately 6.45 carats, mounted in 18 karat yellow and white gold .

    Accompanied by two GRS reports numbered GRS2004-050790 and GRS 2004-050789, dated 26 May 2004, stating that the 6.53 and 7.56 carat rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment. Also accompanied by Gubelin certificate stating that the rubies are natural, originated from Burma (Myanmar), with no indications of thermal enhancement.


  206. 206
    Sotheby's | Nov-2004 | Hong Kong | Lot 875, Ruby and Diamond Ring | GRS2004-040549

    Simply set with an oval ruby weighing 10.11 carats ,between trilliant-cut diamond shoulders together weighing approximately 1.10 carats, mounted in 18 karat yellow and white gold .Ring size 5 ¾.

    Accompanied by GRS report numbered 2004-040549, dated 7 April 2004, stating that the 10.11 carat ruby is natural, originates from Burma (Myanmar), with no indication of thermal treatment.


  207. 207
    Sotheby's | Nov-2004 | Hong Kong | Lot 954, Ruby and Diamond Ring | GRS2004-030335

    Centering on an oval-shaped ruby weighing 3.38 carats surrounded by circular-cut diamonds, to a partially diamond set openwork crossed shank, together the diamonds weighing approximately 1.40 carats, mounted in 18 karat white gold. Ring size: 6.

    Accompanied by GRS report numbered GRS2004-030335, dated 1 March 2004, stating that the 3.38 carat ruby is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  208. 208
    Sotheby's | Nov-2004 | Hong Kong | Lot 1038, Fine Ruby and Diamond Ring | GRS2004-010478

    Simply set with a cushion-shaped ruby weighing 6.06 carats, between two half moon-shaped diamond shoulders, mounted in 18 karat yellow and white gold. Ring size: 5 ¾.

    Accompanied by GRS report numbered GRS2004-010478, dated 16 January 2004, stating that the 6.06 carat ruby is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment, additional special comment: fine transparency and brilliancy for a ruby of this size and spared of thermal enhancement.


  209. 209
    Sotheby's | Nov-2004 | Hong Kong | Lot 1039, Ruby and Diamond Necklace and Pair of Matching Pendent Earrings | GRS2004-040551

    The necklace set with two oval and five cushion-shaped rubies together weighing 22.57 carats, surrounded by circular-cut diamonds to marquise-shaped diamond spacers, completed by smaller similarly-cut diamonds towards the back; the earrings en suite, the two oval rubies each weighing 3.27 and 3.09 carats; altogether the diamonds weighing approximately 24.80 carats, mounted in 18 karat yellow and white gold. (2) Necklace length approximately 400mm.

    Accompanied by two GRS reports numbers GRS2004-040551 and GRS2004-040556, dated 7 April 2004, stating that all nine rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment. Appendix to report numbered GRS2004-040551 , stating that five out of seven rubies on the necklace are vivid red colour, GRS type “Pigeon’s Blood”


  210. 210
    Christie's | Nov-2004 | Hong Kong | Lot 2049, Alexandrite and Diamond Ring | GRS 2004-040966

    The cushion-shaped alexandrite weighing 20.27 carats flanked to each side by a cut-cornered triangular-cut diamond, to a platinum hoop, ring size 6¾

    With report no. GRS2004-040966 dated 20 April 2004 from the GemResearch SwissLab stating that the alexandrite is of Sri Lankan origin and no traces of radioactivity detected


  211. 211
    Christie's | Nov-2004 | Hong Kong | Lot 2120, Star Sapphire and Diamond Ring | GRS 2004-020111T

    The star sapphire weighing 22.21 carats to the openwork gallery and pavé-set diamond bombé hoop, mounted in white gold, ring size 5

    With report no. GRS2004-020111T dated 10 February 2004 from the GemResearch SwissLab stating that the star sapphire is of Sri Lankan origin and shows no indication of thermal treatment


  212. 212
    Christie's | Nov-2004 | Hong Kong | Lot 2127, Ruby and Diamond Ring | GRS2004-050324T

    The oval-cut ruby weighing 1.74 carats in a circular-cut diamond cluster surround to the plain platinum hoop, ring size 6½

    With report no. GRS2004-050324T dated 31 May 2004 from the GemResearch SwissLab stating that the ruby is of Burmese origin and shows no indication of thermal treatment


  213. 213
    Christie's | Nov-2004 | Hong Kong | Lot 2128, Sapphire and Diamond Ring | GRS 2004-050326T

    The cushion-shaped sapphire weighing 6.54 carats in a circular-cut diamond cluster surround to the plain platinum hoop, ring size 6½

    With report no. GRS2004-050326T dated 31 May 2004 from the GemResearch SwissLab stating that the sapphire is of Burmese origin and shows no indication of thermal treatment


  214. 214
    Christie's | Nov-2004 | Hong Kong | Lot 2130, Important Ruby and Diamond Necklace | GRS2004-071087

    Designed as a row of graduated oval-cut and cushion-shaped rubies and diamond clusters, suspending a similar pendant with marquise-cut diamond spacers, mounted in 18k white gold (detachable), 39.5 cm
    The total weight of the rubies is 53.92 carats

    With report no. GRS2004-071087 dated 28 July 2004 from the GemResearch SwissLab stating that all the rubies are of Burmese origin and show no indication of thermal treatment


  215. 215
    Christie's | Nov-2004 | Hong Kong | Lot 2132, Ruby and Diamond Ring | GRS2004-070195T

    The oval-cut ruby weighing 7.72 carats to the half-moon-shaped rose-cut diamond cluster surround and diamond shoulders, mounted in 18k white gold, ring size 5

    With report no. GRS2004-070195T dated 19 July 2004 from the GemResearch SwissLab stating that the ruby is of Burmese origin, GRS type “pigeon’s blood” colour and shows no indication of thermal treatment. With special comment stating “very rare combination of size, large face-up appearance and rare colour variety for a Burmese ruby, not enhanced by heat”


  216. 216
    Christie's | Nov-2004 | Hong Kong | Lot 2191, Elegant Set of Sapphire Jewellry | GRS 2003-070602

    Comprising a ring, set with an oval-cut sapphire weighing 8.06 carats flanked by oval-cut diamond shoulders to the diamond openwork gallery and hoop, and a pair of ear pendants en suite, each set with an oval-cut sapphire weighing 5.56 and 6.40 carats, mounted in 18k white gold, ring size 5¼, ear pendants 2.9 cm long

    With duplicate report no. GRS2003-070602 dated 6 September 2004 from the GemResearch SwissLab stating that the 8.06 carat sapphire is of Burmese origin, GRS type “royal blue” colour and shows no indication of thermal treatment

    With report nos. GRS2004-070204T dated 20 July 2004 from the GemResearch SwissLab stating that the 5.56 and 6.40 carat sapphires are both of Burmese origin, GRS type “royal blue” colour and shows no indication of thermal treatment


  217. 217
    Christie's | Nov-2004 | Hong Kong | Lot 2191, Elegant Set of Sapphire Jewellry | GRS 2004-070204T

    Comprising a ring, set with an oval-cut sapphire weighing 8.06 carats flanked by oval-cut diamond shoulders to the diamond openwork gallery and hoop, and a pair of ear pendants en suite, each set with an oval-cut sapphire weighing 5.56 and 6.40 carats, mounted in 18k white gold, ring size 5¼, ear pendants 2.9 cm long

    With duplicate report no. GRS2003-070602 dated 6 September 2004 from the GemResearch SwissLab stating that the 8.06 carat sapphire is of Burmese origin, GRS type “royal blue” colour and shows no indication of thermal treatment

    With report nos. GRS2004-070204T dated 20 July 2004 from the GemResearch SwissLab stating that the 5.56 and 6.40 carat sapphires are both of Burmese origin, GRS type “royal blue” colour and shows no indication of thermal treatment


  218. 218
    Christie's | Nov-2004 | Hong Kong | Lot 2192, Rare Ruby and Diamond Ring | GRS2004-070205T

    The oval-cut ruby weighing 5.95 carats in the diamond and pink diamond surround, to the circular-cut diamond shoulders, mounted in 18k white and pink gold, ring size 5¼.

    With report no. GRS2004-070205T dated 20 July 2004 from the GemResearch SwissLab stating that the ruby is of Burmese origin, GRS type “pigeon’s blood” colour and shows no indication of thermal treatment. With special comment stating “brilliant colour reflections”


  219. 219
    Christie's | Nov-2004 | Hong Kong | Lot 2193, Important Pair of Ruby and Diamond Ear Pendants | 7 GRSReports

    Each designed as three staggered circular-cut diamond tassels with oval-cut ruby terminals weighing 2.66, 4.21 and 4.56 carats or 3.33, 3.79 and 5.03 carats, suspended from a diamond briolette cluster, mounted in 18k white and yellow gold, 5.2 cm long.

    With six reports dated 22 and 27 July 2004 from the GemResearch SwissLab stating that all the rubies are of Burmese origin and shows no indication of thermal treatment


  220. 220
    Sotheby's | Nov-2004 | Geneva | Lot 138, Pair of Sapphire and Diamond Earclips | GRS 2003-02383

    Each designed as a flower set with oval sapphires weighing approximately 12.50 carats and brilliant-cut, marquise- and pear-shaped diamonds weighing approximately 3.80 carats in total, mounted in platinum.

    Accompanied by GRS reports number GRS2003-02383 stating that the sapphires are of Burmese origin, and that 9 (out of 10) show no indication of thermal treatment.


  221. 221
    Sotheby's | Nov-2004 | Geneva | Lot 177, Sapphire and Diamond ring | GRS 2003-25412

    Claw-set with an oval sapphire weighing 14.91 carats, within a border of brilliant-cut diamonds weighing approximately 4.10 carats in total, mounted in platinum, size 54.

    Accompanied by GRS reports number GRS2003-25412 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  222. 222
    Sotheby's | Nov-2004 | Geneva | Lot 222, Ruby and Diamond ring | GRS2004-050325T

    Claw-set with an oval ruby weighing 5.28 carats, within a border of brilliant-cut diamonds weighing approximately 3.00 carats in total, mounted in platinum, size 54.

    Accompanied by GRS reports number GRS2004-050325T stating that the ruby is of Burmese origin, with no indication of thermal treatment.


  223. 223
    Sotheby's | Nov-2004 | Geneva | Lot 226, Ruby and Diamond ring | GRS2003-120589

    Each set with a cushion-shaped sapphire, weighing 10.04 and 10.22 carats, surmounting a brilliant-cut and two pear-shaped diamonds mounted in 18 carats white gold.

    Accompanied by two GRS reports no.GRS2003-120589 and GRS2001-03171 stating that the sapphires are of Burmese origin, with no indication of thermal treatment.


  224. 224
    Sotheby's | Nov-2004 | Geneva | Lot 226, Pair of Sapphire and Diamond Earrings | GRS 2001-03171

    Each set with a cushion-shaped sapphire, weighing 10.04 and 10.22 carats, surmounting a brilliant-cut and two pear-shaped diamonds mounted in 18 carats white gold.

    Accompanied by two GRS reports no.GRS2003-120589 and GRS2001-03171 stating that the sapphires are of Burmese origin, with no indication of thermal treatment.


  225. 225
    Sotheby's | Nov-2004 | Geneva | Lot 249, Pair of Ruby and Diamond Pendent Earrings | GRS2004-050693, 2004-050694

    Each shield-shaped diamond surmount supporting an oval ruby, weighing 2.58 and 3.35 carats respectively, both within a double border of brilliant -cut diamonds of black and white tint, mounted in 18 carat white gold.

    Accompanied by two GRS reports no.GRS2004-050693 and GRS2004-050694 stating that the rubies are of Burmese origin, with no indication of thermal treatment.


  226. 226
    Sotheby's | Nov-2004 | Geneva | Lot 265, Ruby and Ring | GRS2000-09009

    Of crossover design, set with two oval rubies weighing 3.05 and 3.08 carats, between diamond set shoulders, mounted in 18 carat yellow and white gold, size 52.

    Accompanied by two GRS reports no.GRS2000-09009 and GRS2002-01046 stating that the rubies are of Burmese origin, with no indication of thermal treatment.


  227. 227
    Christie's | Nov-2004 | London | Lot 66, A Purplish-Pink Sapphire Single-Stone Ring | GRS 2004-060304T

    The oval-cut purplish-pink sapphire weighing 4.39 carats to the graduated baguette-cut diamond three-stone shoulders and plain hoop.

    Accompanied by report No. GRS2004-060304T dated 29 June 2004 from the GRS Gemresearch Swisslab stating that the purplish-pink sapphire is of Sri Lankan origin


  228. 228
    Sotheby's | Dec-2004 | New York | Lot 230, A pair of Ruby and Diamond Pendant Earrings | GRS2004-070558

    The tops set with 2 round diamonds of yellow hue, together weighing approximately 1.00 carat, supporting fringes of 4 marquise-shaped diamonds, anchored by 2 pear-shaped ruby drops weighing 3.59 and 3.00 carats respectively, mounted in platinum and gold.

    Accompanied by GRS report GRS2004-070558 stating that the rubies are of Burmese origin; H(b): enhanced by heat, minor residue present.


  229. 229
    Sotheby's | Dec-2004 | New York | Lot 232, Ruby and Diamond Pendant Necklace | GRS2004-070559

    The pendant set with an oval-shaped diamond weighing 1.80 carats, supporting a pear-shaped ruby weighing approximately 4.00 carats, mounted in platinum, suspended from a platinum chain, length 16 inches.

    Accompanied by GRS report GRS2004-070559 stating that the ruby is of Burmese origin; H(b): enhanced by heat, minor residue present.


  230. 230
    Sotheby's | Dec-2004 | New York | Lot 246, Sapphire and Diamond Ring | GRS 2004-050085T

    The oval sapphire weighing 13.13 carats, framed by 12 round diamodns weighing approximately 4.25 carats, mounted in platinum, size 6¾.

    Accompanied by GRS report GRS2004-050085T stating that the sapphire is of Burmese origin; no indication of thermal treatment.


  231. 231
    Sotheby's | Dec-2004 | London | Lot 216, Sapphire and Diamond Ring | 1 GRS Report

    Set with a cushion-shaped sapphire weighing 10.76 carats, between a graduated line of princess-cut diamonds, size M.

    Accompanied with GRS certificate stating that the sapphire has no indication of thermal treatment.


  232. 232
    Sotheby's | Dec-2004 | London | Lot 259, Yellow Sapphire and Diamond Ring | 1 GRS Report

    Claw-set with an oval yellow sapphire weighing 12.33 carats between baguette diamond shoulders, size N.

    Accompanied by a certificate from the GRS stating that the natural yellow sapphire showed no indications of thermal treatment.


  233. 233
    Sotheby's | Dec-2004 | London | Lot 448, Ruby and Diamond Ring | 1 GRSReport

    Designed as a flowerhead, set to the centre with an oval ruby weighing 1.14 carats within a surround of brilliant-cut diamonds, size M.

    Accompanied by a certificated from the GRS stating that the natural ruby has no indications of thermal treatment.


  234. 234
    Sotheby's | Jan-2005 | London | Lot 75, Sapphire and Diamond Ring | GRS 2004-070567

    Centring on a step-cut sapphire weighing 1.98 carats flanked by shoulders of graduating baguette diamonds, size M ½.

    Accompanied by a report from the GRS, dated 9th July 2004, stating the sapphire shows no indication of thermal treatment.


  235. 235
    Sotheby's | Feb-2005 | St. Moritz | Lot 172, Sapphire and Diamond Pendant | GRS 2004-110527

    Set with a pear-shaped sapphire weighing 8.06 carats and a marquise-shaped diamond weighing 0.75 carats, each within a border of circular-cut sapphires, mounted in 18 carat blackened gold, on a blue silk cord, length 405 nm.

    Accompanied by GRS report no. GRS 2004-110527 stating that the sapphire is of Burmese origin, with no indication of thermal treatment


  236. 236
    Sotheby's | Feb-2005 | St. Moritz | Lot 177, Ruby and Diamond Ring | GRS2004-050086T

    Claw-set with an oval ruby weighing 5.25 carats within a border of brilliant-cut diamonds weighting approximately 2.60 carats, mounted in 18 carat white gold, size 54.

    Accompanied by GRS report no. GRS 2004-050086T stating that the ruby is of Burmese origin, with no indication of thermal treatment.


  237. 237
    Sotheby's | Feb-2005 | St. Moritz | Lot 193, Sapphire and Diamond Ring | GRS 2004-040260T

    Claw-set with an oval sapphire weighing 10.26 carats, the border set with brilliant-cut diamonds weighing approximately 3.40 carats in total, mounted in platinum, size 54.

    Accompanied by GRS report no. GRS 2004-040260T stating that the sapphire is of Sri Lankan origin, with no indication of thermal treatment.


  238. 238
    Sotheby's | Feb-2005 | St. Moritz | Lot 215, Sapphire and Diamond Ring | GRS 2004-080048T

    Claw-set with a cushion-shaped sapphire weighing 13.90 carats, the bezel decorated with scrolls set with brilliant-cut diamonds mounted in platinum, size 54.

    Accompanied by GRS report no.GRS 2004-080048T stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  239. 239
    Sotheby's | Feb-2005 | St. Moritz | Lot 285, Sapphire and Diamond Ring | GRS 2004-070085T

    Claw-set with an oval sapphire weighing 7.74 carats, within a border of brilliant-cut diamonds weighing 2.75 carats in total, mounted in platinum, size 54.

    Accompanied by GRS report no.GRS 2004-070085T stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  240. 240
    Christie's | Feb-2005 | New York | Lot 135, Ruby and Diamond Ring | GRS2004-050041T

    Centering upon a cushion-cut ruby, weighing approximately 4.02 carats, within a circular-cut diamond surround, mounted in platinum.

    With report GRS2004-050041T dated 7 May 2004 from the GRS Gemresearch SwissLab stating that the natural ruby is of Burma (Myanmar) origin

    The total weight of the diamonds is approximately 2.00 carats


  241. 241
    Christie's | Feb-2005 | New York | Lot 224, Sapphire and Diamond Ring | GRS 2004-080049T

    Set with a cushion-cut sapphire, weighing appoximately 15.62 carats, within a circular-cut diamond bezel and gallery, to the circular-cut diamond shoulders and platinum hoop.

    With report GRS2004-080049T dated 9 August 2004 from the GRS Gemresearch Swisslab stating that the natural sapphire is Burma origin and shows no indication of thermal treatment


  242. 242
    Sotheby's | Mar-2005 | London | Lot 163, Sapphire and Diamond Ring | 1 GRS Report

    Claw-set with an oval sapphire weighing 3.59 carats to stepped baguette diamond shoulders, size L ½.

    Accompanied by a certificate from the GRS, dated 9th July 2004, stating that the stone is a natural sapphire with no indications of thermal treatment.


  243. 243
    Sotheby's | Mar-2005 | London | Lot 164, Sapphire and Diamond Ring | 1 GRS Report

    Centring on a step-cut sapphire weighing 3.84 carats, between shoulders set with epaulet-shaped diamonds, size M.

    Accompanied by a certificate from the GRS, dated 20th February 2004, stating the sapphire to be natural with no indications of thermal treatment.


  244. 244
    Christie's | Apr-2005 | New York | Lot 18, A Sapphire and Diamond Ring | GRS2004-050085T

    Centering upon an oval-cut sapphire, weighing approximately 13.13 carats, within a circular-cut diamond surround, mounted in platinum

    With report GRS2004-050085T dated 14 May 2004 from the GRS Gemresearch Swisslab stating that the sapphire is of Burma (Myanmar) origin and shows no indications of thermal enhancement

    The total weight of the diamonds is approximately 4.20 carats


  245. 245
    Christie's | Apr-2005 | New York | Lot 50, A Ruby and Diamond Ring | GRS2005-010026T

    Centering upon an oval-cut ruby, weighing approximately 20.24 carats, within a circular-cut diamond surround, mounted in platinum

    With report GRS2005-010026T dated 7 January 2005 from the GRS Gemresearch Swisslab stating that the ruby is of Burma (Myanmar) origin and shows indications of enhancement by heat, minor residues are present

    The total weight of the diamonds is approximately 4.30 carats


  246. 246
    Sotheby's | Apr-2005 | New York | Lot 341, Sapphire and Diamond Ring | GRS2003-070892

    The cushion-shaped sapphire weighing 10.01 carats, flanked by 2 half-moon-shaped diamonds weighing approximately 1.40 carats, mounted in platinum, size 6 ¼.

    Accompanied by GRS report no. 2003-070892 stating natural sapphire; no indication of thermal treatment.


  247. 247
    Sotheby's | Apr-2005 | New York | Lot 331, Pair of Sapphire and Diamond Earrings | GRS2004-080073T

    The tops set with 2 cushion-shaped diamonds together weighing 2.33 carats, supporting 2 cushion-shaped sapphires weighing 8.80 and 8.62 carats, further accented with numerous small round diamonds weighing approximately 2.00 carats, mounted in platinum.

    Accompanied by GRS report no. 2004-080073T stating that the sapphires are of Sri Lankan origin; no indication of thermal treatment.


  248. 248
    Sotheby's | May-2005 | Hong Kong | Lot 870, Cat's-Eye Chrysoberyl And Diamond Ring | GRS2003-02665

    Centering a cabochon cat’s-eye chrysoberyl weighing 8.19 carats, to a diamond surround alternately set with circular- and marquise-shaped diamonds together weighing approximately 2.00 carats, mounted in 18 karat white gold. Ring size: 6¼

    Accompanied by GRS report numbered GRS2003-02665, dated 19 February 2003, stating that the 8.19 carat cat’s-eye chrysoberyl is of natural origin, with no traces of radioactivity.


  249. 249
    Sotheby's | May-2005 | Hong Kong | Lot 971, Ruby and Diamond Demi-Parure | GRS2005-031042, GRS2005-031044

    Comprising a necklace, a ring and pair of pendent earrings: the necklace set with fifteen oval-shaped rubies in the front, each with circular-cut diamond surround, suspending from a diamond floret set with circular and marquise-shaped diamonds, completed by diamond necklace to the back; the ring centering on three oval-shaped rubies, each surrounded by circular-cut diamonds, accented with marquise-shaped diamonds; and pendent earrings en suite; altogether the rubies weighing approximately 23.55 carats, the diamonds approximately 4.95 carats, all mounted in 18 karat gold and white gold. Necklace length approximately 410mm. Ring size: 6¾

    Accompanied by two GRS reports numbered GRS2005-031044 and GRS2005-031042, dated 18 March 2005, stating that the fifteen rubies on necklace and the four rubies on earrings are natural, of Burmese(Myanmar) origin, enhanced by heat with minor residues present.


  250. 250
    Sotheby's | May-2005 | Hong Kong | Lot 984, Ruby and Diamond Ring | GRS2004-070668

    Simply set with an oval ruby weighing 4.03 carats, between old-European cut diamond shoulders together weighing approximately 1.00 carat, mounted in 18 karat gold. Ring size: 8¾

    Accompanied by GRS report numbered GRS2004-070668, dated 11 September 2004, stating that the 4.03 carat ruby is natural, of Burmese(Myanmar) origin, with no indication of thermal treatment. Colour: Vivid Red(GRS type ‘pigeon’s blood’).


  251. 251
    Sotheby's | May-2005 | Hong Kong | Lot 1031, Pair of Ruby and Diamond Pendent Earrings | GRS2003-03645, GRS2004-010019

    Each centering on an oval ruby weighing 4.02 carats, to a circular-cut diamond surround, supported by link-chain to a collet-set diamond surmount, together the diamonds weighing approximately 1.70 carats, mounted in 18 karat white gold.

    Accompanied by two GRS reports numbered GRS2003-03645 and GRS2004-010019, stating that both the two 4.02 carat rubies are natural, of Burmese(Myanmar) origin, with no indication of thermal treatment.


  252. 252
    Sotheby's | May-2005 | Hong Kong | Lot 1035, Fine Ruby and Diamond Ring | GRS2005-010952

    Centering an oval ruby weighing 6.06 carats, between two oval-shaped diamond shoulders weighing approximately 0.90 carat, mounted in 18 karat gold and white gold. Ring size: 5½

    Accompanied by GRS report numbered GRS2005-010952, both stating that the 6.06 carat ruby is natural, of Burmese(Myanmar) origin, with no indication of heating. The GRS report also states that the 6.06 carat ruby is of vivid red colour, GRS type “pigeon’s blood”.


  253. 253
    Sotheby's | May-2005 | Hong Kong | Lot 1046, Spectacular Ruby and Diamond Bib Necklace and Pair of Matching Pendent Earrings, Fulvio Scavia | thirty-five GRSreports

    The necklace designed with a cascading fringe set with graduated oval rubies, supported by lines of circular-cut and pear-shaped diamonds, suspended from a pavé-set diamond necklace, centering on a cluster of similarly-cut diamonds, to circular-cut diamond accents on the side, completed by a pavé-set diamond chain clasp highlighted with a briolette ruby, together the rubies weighing approximately 94.20 carats, the diamonds approximately 29.20 carats; the earrings en suite, together the rubies weighing approximately 19.25 carats, the diamonds approximately 9.80 carats, mounted in 18 karat white gold, all signed and stamped.

    Accompanied by thirty-five GRS reports, stating that all thirty-five rubies, are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment. Also accompanied by three Gübelin reports, stating that all thirty-five rubies, are natural, of Burmese (Myanmar) origin, with no indications of heating.

    Accompanied by a signed box and pouch.


  254. 254
    Sotheby's | May-2005 | Hong Kong | Lot 1100, Pair of Ruby and Diamond Pendent Earrings | GRS2001-07252

    Each top set with a circular-cut ruby surrounded by rose-cut diamonds, supporting two reversely-set scrolling motifs pavé-set with rose-cut diamonds, to a drop of four collet-set rose-cut diamonds anchored by an oval ruby with diamond surround, together the rubies weighing 8.11 carats, the rose-cut diamonds approximately 7.90 carats, mounted in 18 karat blackened gold.

    Accompanied by GRS report numbered GRS2001-07252, dated 23 July 2001, stating that all four rubies are natural, of Burmese(Myanmar) origin, three with no indication of thermal treatment and one is enhanced by heat with minor residues present.


  255. 255
    Sotheby's | May-2005 | Hong Kong | Lot 1101, Ruby and Diamond Floral Necklace | GRS2005-020237T

    Of foliate design, the flowerheads set with fifty-one rubies together weighing 86.52 carats, highlighted by twenty-four rose-cut diamonds in-between weighing approximately 16.30 carats, the articulate scrolling floral vine pavé-set with circular-cut diamonds weighing approximately 6.20 carats, mounted in platinum. Length approximately 4.25mm

    Accompanied by GRS report numbered GRS2005-020237T, dated 1 March 2005, stating that all fifty-one rubies are natural, of Burmese(Myanmar) origin, with no indication of thermal treatment.


  256. 256
    Sotheby's | May-2005 | Geneva | Lot 92, Peridot and Diamond Ring | GRS2004-090909

    Claw-set with an oval peridot weighing 53.21 carats between shoulders highlighted with brilliant-cut diamonds, mounted in 18 carat white gold, size 53.

    Accompanied by GRS report no. GRS2004-090909 stating that the peridot is of Burmese origin.


  257. 257
    Sotheby's | May-2005 | Geneva | Lot 211, Sapphire and Diamond Ring | GRS2004-020093T

    Set with a cushion-shaped sapphire stated to weigh 11.79 carats within a surround of brilliant-cut diamonds, mounted in platinum, size 54.

    Accompanied by GRS report no. GRS2004-020093T, stating the sapphire is of Burmese origin, with no indication of thermal treatment.


  258. 258
    Sotheby's | May-2005 | Geneva | Lot 24, Ruby and Diamond Ring | GRS2004-120158T

    Set with a cushion-shaped ruby stated to weigh 7.99 carats within a border of brilliant-cut diamonds, mounted in platinum, size 54.

    Accompanied by GRS report no. GRS2004-120158T stating that the ruby is of Burmese origin, with no indication of thermal treatment.


  259. 259
    Sotheby's | May-2005 | Geneva | Lot 25, Pair of Ruby and Diamond Earclips | GRS2005-030103T

    Each designed as a flower head set with oval and cushion-shaped rubies stated to weigh 24.16 carats in total, and marquise-shaped and brilliant-cut diamonds, mounted in platinum.

    Accompanied by GRS report no. GRS2005-030103T, stating that the twelve natural rubies are of Burmese origin, with no indications of thermal treatment, clarity enhanced with non-identified liquid.


  260. 260
    Christie's | May-2005 | Geneva | Lot 426, A Pair of Emerald and Diamond Ear Clips | GRS2001-03051, GRS2001-03057

    The rectangular-cut emeralds weighing 11.04 and 12.64 carats within a brilliant-cut and pear-shaped diamond border, mounted in 18k yellow gold.

    With report nos. GRS2001-03051 and GRS2001-03057 dated 2 March 2001 from the GRS Gemresearch Swisslab stating that both emeralds are of Colombian origin, minor clarity enhancement


  261. 261
    Christie's | May-2005 | Geneva | Lot 133, An Emarald and Diamond Ring | GRS2001-05015

    The rectangular-cut emerald weighing 6.79 carats to the baguette-cut diamond shoulders and plain 18k gold hoop, ring size 6.

    With report no. GRS2001-05015 dated 3 May 2001 from the GRS Gem Research Swisslab stating that the emerald is of Columbian origin, minor clarity enhancement


  262. 262
    Christie's | May-2005 | Geneva | Lot 306, A Sapphire and Diamond Brooch/Pendant | GRS2001-04098

    The oval-shaped cabochon sapphire weighing 109.45 carats within a marquise-shaped diamond border, mounted in platinum, 4.8 cm long.

    With report no. GRS2001-04098 dated 3 April 2001 from the GRS Gem Research Swisslab stating that the sapphire is of Burmese origin, no indication of thermal enhancement


  263. 263
    Christie's | May-2005 | Geneva | Lot 343, An Emerald and Diamond Ring | GRS2000-12260

    The rectangular-cut emerald weighing 14.63 carats to the triangular diamond shoulders, mounted in platinum and 18k yellow gold, ring size 6.

    With report no. GRS2000-12260 dated 19 December 2000 from the GRS GemResearch Swisslab, stating that the emerald is of Colombian origin, no indication of clarity enhancement


  264. 264
    Christie's | May-2005 | Hong Kong | Lot 2224, A Ruby and Diamond Cross Pendant Necklace | GRS2004-110841. GRS2004-110840

    The rose-cut diamond cluster centrally set with a ruby weighing 2.18 carats, to the ruby and rose-cut diamond terminals, suspended from an 18k oxidized white gold neckchain, 45.5 cm

    With report nos. GRS2004-110841 and GRS2004-110840 dated 18 November 2004 from the GemResearch SwissLab stating that three rubies weighing 1.19, 1.32 and 2.18 carats are of Burmese origin, enhanced by heat, residues insignificant


  265. 265
    Christie's | May-2005 | Hong Kong | Lot 2390, A Spinel and Diamond Ring | GRS2004-090968

    The cushion-shaped spinel weighing 9.10 carats to the diamond shoulders, mounted in 18k white gold, ring size 6½

    With report no. GRS2004-090968 dated 24 September 2004 from the GemResearch SwissLab stating that the spinel is natural


  266. 266
    Christie's | May-2005 | Hong Kong | Lot 2394, A Ruby and Diamond Ring | GRS2005-010027T

    The oval-cut ruby weighing 14.63 carats, within a circular-cut diamond cluster surround to the platinum hoop, ring size 6½

    With report no. GRS2005-010027T dated 5 January 2005 from the GemResearch SwissLab stating that the ruby is natural and with no indication of thermal treatment


  267. 267
    Christie's | May-2005 | Hong Kong | Lot 2393, A Sapphire and Diamond Ring | GRS2005-010028T

    The oval-cut sapphire weighing 12.62 carats, within circular-cut diamond cluster surround, mounted in platinum, ring size 6¾

    With report no. GRS2005-010028T dated 5 January 2005 from the GemResearch SwissLab stating that the oval-cut sapphire is of Sri Lankan origin and with no indication of thermal treatment


  268. 268
    Christie's | May-2005 | Hong Kong | Lot 2395, A Pair of Ruby and Diamond Ear Pendants | GRS2004-030370, GRS2004-030373

    Each suspending a pear-shaped ruby weighing 10.07 and 10.12 carats, within a pear-shaped diamond cluster surround, to the marquise and circular-cut diamond surmount and top, mounted in white gold, 4.5 cm long

    Also with report no. GRS2004-030370 and GRS2004-030373 dated 4 and 27 March 2004 from the GemResearch SwissLab stating that both rubies are of Burmese origin, and show no indication of thermal treatment


  269. 269
    Christie's | May-2005 | Hong Kong | Lot 2498, A Sapphire and Diamond Ring | GRS2004-040262T

    The cabochon sapphire weighing 31.35 carats, to the baguette-cut diamond shoulders and pavé-set diamond half-hoop surround, mounted in platinum, ring size 6½

    With report no. GRS2004-040262T dated 30 April 2004 from the GemResearch SwissLab stating that the sapphire is of Burmese origin and with no indication of thermal treatment


  270. 270
    Christie's | May-2005 | Hong Kong | Lot 2301, A Sapphire and Diamond Ring | GRS2004-100139T

    Set with a sugarloaf sapphire weighing 14.37 carats within a diamond-set surround, flanked on each side by a modified calf’s head-shaped diamond, mounted in 18k white gold, ring size 5¼

    With report no. GRS2004-100139T dated 3 October 2004 from the GemResearch SwissLab stating that the sugarloaf sapphire is of Burmese origin and with no indication of thermal treatment


  271. 271
    Sotheby's | Jun-2005 | New York | Lot 336, Platinum, Ruby and Diamond Ring | GRS2004-020133T

    1 ruby and 10 diamonds approx. 3.70 & 1.95 cts., GRS #2004-020133T.


  272. 272
    Sotheby's | Jun-2005 | New York | Lot 314, Platinum, Sapphire and Diamond Ring | GRS2004-050329T

    1 sapphire and 10 diamonds approx. 6.00 and 4.00 cts., GRS #2004-050329T.


  273. 273
    Sotheby's | Jun-2005 | New York | Lot 486, Sapphire and Diamond Ring | GRS2004-040260T

    The cushion-shaped sapphire weighing 10.26 carats, surrounded by 12 round diamonds weighing approximately 2.40 carats, mounted in platinum, size 6 ½.

    Accompanied by GRS report no. 2004-040260T stating that the sapphire is of Sri Lankan origin; no indication of thermal treatment.


  274. 274
    Sotheby's | Jun-2005 | London | Lot 459, Sapphire and Diamond Ring | GRS2004-010288

    Claw-set to the centre with an oval sapphire weighing 7.04 carats, between triangular diamond shoulders, size L,

    Accompanied by a GRS certificate no. GRS2004-010288, dated 10 January 2004, stating that the natural sapphire has no indication of thermal treatment.


  275. 275
    Sotheby's | Jun-2005 | London | Lot 131, Purplish-pink Sapphire and Diamond Ring | GRS2004-060304T

    Set to the centre with an oval purplish-pink sapphire weighing 4.39 carats, mounted between graduated baguette diamond shoulders, size M.

    Accompanied by a certificate from GRS no. GRS2004-060304T, dated 29th June 2004, stating that the Natural Purplish-Pink sapphire of Sir Lankan origin shows heat enhancement (no residues present).


  276. 276
    Sotheby's | Jun-2005 | London | Lot 132, Sapphire and Diamond Ring, Asprey | GRS2004-080802

    The cushion-shaped sapphire weighing 6.46 carats between baguette and tapered pentagonal-shaped shoulders, size N, signed Asprey, Sheffield hallmarks for 1994.

    Accompanied by a report from the GRS no. GRS2004-080802, dated 16th August 2004, stating the sapphires shows no indications of thermal treatment and testing revealed characteristics corresponding to those of a natural sapphire from Madagascar.


  277. 277
    Christie's | Sep-2005 | London | Lot 43, A pink sapphire and diamond ring | GRS2005-021079

    The oval pink sapphire in claw mount to square-cut diamond single stone shoulders, accompanied by a gemstone report from the GRS Gemresearch Swisslab, report number GRS2005-021079, dated 24th February 2005, stating that the pink sapphire, weight 6.52 carats, showed no indication of thermal treatment, Origin Burma (Myanmar).


  278. 278
    Sotheby's | Sep-2005 | New York | Lot 327, Pink Sapphire and Diamond Ring | GRS2004-110547

    The cushion-shaped sapphire weighing 6.96 carats, flanked by 2 triangular-shaped diamonds weighing approximately 1.20 carats, mounted in 18 karat gold and platinum, size 6.

    Accompanied by GRS report no. 2004-110547 stating natural pink sapphire; no indication of thermal treatment.


  279. 279
    Sotheby's | Sep-2005 | New York | Lot 108, Sapphire and Diamond Ring | GRS 2000-06319

    The cushion-shaped sapphire weighing 13.21 carats, framed by numerous single-cut diamonds, mounted in platinum, size 6 ¼.

    Accompanied by GRS report no. 2000-06319 stating that the sapphire is of Burmese origin; no indication of thermal treatment.


  280. 280
    Sotheby's | Sep-2005 | New York | Lot 232, Peridot and Diamond Ring | GRS2004-090911

    The large cushion-shaped peridot weighing 64.56 carats, flanked by small round diamonds, mounted in 18 karat white gold, size 6 ¾.

    Accompanied by GRS report no. 2004-090911 stating that the stone is natural peridot of Burmese origin.


  281. 281
    Sotheby's | Sep-2005 | New York | Lot 174, Sapphire and Diamond Ring | GRS2004-110551

    The oval-shaped sapphire weighing 6.35 carats, flanked by 2 triangular-shaped diamonds, mounted in platinum, size 5 ¾.

    Accompanied by GRS report no. 2004-110551 stating that the sapphire is of Burmese origin; no indication of thermal treatment.


  282. 282
    Christie's | Oct-2005 | New York | Lot 57, A Sapphire and Diamond Ring | GRS2005-020336T

    Set with a cushion-cut sapphire, weighing approximately 21.55 carats, within a circular-cut diamond surround, mounted in platinum
    With report GRS2005-020336T dated 28 February 2005 from the Gem Research Swiss Lab stating that gemmological testing revealed characteristics corresponding to those of a natural sapphire from Sri Lanka. Enhanced by heat (no residues present)


  283. 283
    Christie's | Oct-2005 | New York | Lot 348, A Ruby and Diamond Ring | GRS2005-061259

    Set with an oval-cut ruby, weighing approximately 30.74 carats, within a circular-cut diamond surround, mounted in platinum
    With report GRS2005-061259 dated 30 June 2002 from the GemResearch SwissLab stating that gemological testing revealed characteristics corresponding to those of a natural ruby from Burma (Mogok, Myanmar), enhanced by heat, minor residues are present


  284. 284
    Sotheby's | Oct-2005 | London | Lot 138, Peridot and Diamond Ring | GRS2005-020427

    Set at the centre with an oval peridot weighing 9.12 carats between stepped baguette diamond shoulders, size M.

    Accompanied by a certificate from the GRS, dated 11th February 2005, stating that the natural peridot weighing 9.12 carats is of Burmese origin


  285. 285
    Sotheby's | Oct-2005 | Hong Kong | Lot 1147, Spinel and Diamond Ring | GRS2005-031136

    Centring a cushion-shaped pinkish-red spinel weighing 8.50 carats, flanked by two half moon-shaped diamonds together weighing approximately 2.50 carats, mounted in 18 karat gold.
    Ring size: 4 1/2

    Accompanied by a GRS report numbered GRS2005-031136, dated 28 March 2005, stating that the 8.05 carat spinel is natural, Pinkish-Red colour.


  286. 286
    Sotheby's | Oct-2005 | Hong Kong | Lot 1445, Sapphire and Diamond Ring | GRS2001-04290

    Centring on a sapphire weighing 17.19 carats, flanked by two half moon-shaped diamonds weighing approximately 0.70 carats, mounted in 18 karat white gold.
    Ring size: 5 1/2

    Accompanied by GRS report numbered GRS2001-04290, dated 6 April 2001, stating that the 17.19 carat sapphire is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  287. 287
    Sotheby's | Oct-2005 | Hong Kong | Lot 1197, Sapphire and Diamond Ring | GRS2004-120159T

    Centring on an oval-shaped sapphire weighing 8.99 carats, to a surround set with circular-cut diamonds together weighing approximately 4.20 carats, mounted in platinum.
    Ring size: 6 1/2

    Accompanied by GRS report numbered GRS2004-120159T, dated 14 December 2004, stating that the 8.99 carat sapphire is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  288. 288
    Sotheby's | Oct-2005 | Hong Kong | Lot 1200, Sapphire and Diamond Ring | GRS2001-09480

    Centring on a sugarloaf cabochon sapphire weighing 20.85 carats to a rose-cut diamond border, to a shank set with similarly-cut diamonds, the diamonds together weighing approximately 1.55 carats, mounted in 18 karat white gold.
    Ring size: 6

    Accompanied by GRS report numbered GRS2001-09480, dated 28 September 2001, stating that the 20.85 carat sapphire is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  289. 289
    Sotheby's | Oct-2005 | Hong Kong | Lot 1432, Ruby and Diamond Ring | GRS2004-100395T

    Centring on an oval-shaped ruby weighing approximately 8.05 carats, within a border of fancy-shaped diamonds, to a partially pavé-set diamond shank, together the diamonds weighing approximately 4.40 carats, mounted in 18 karat white gold.
    Ring size: 6 1/2

    Accompanied by GRS report numbered GRS2004-100395T, stating that the 8.05 carat ruby is natural, of Burmese (Myanmar) origin, enhanced by heat, minor residues are present.


  290. 290
    Sotheby's | Oct-2005 | Hong Kong | Lot 1181, Purple Sapphire and Diamond Ring | GRS2003-120239

    Centring on an oval-shaped purple sapphire weighing 9.57 carats, to a double surround of circular-cut diamonds together weighing approximately 2.60 carats, mounted in 18 karat white gold.
    Ring size: 6 1/2

    Accompanied by GRS report numbered GRS2003-120239, dated 17 December 2003, stating that the 9.57 carat purple sapphire is natural, of Sri Lanka origin, enhanced by heat (no residues present). Vivid purple colour.


  291. 291
    Sotheby's | Oct-2005 | Hong Kong | Lot 1435, Ruby and Diamond Ring | GRS2005-080663

    Simply set with an oval-shaped ruby weighing 7.02 carats, between two oval-shaped diamond shoulders together weighing approximately 1.00 carat, mounted in 18 karat gold and white gold.
    Ring size: 5 ¾

    Accompanied by GRS report numbered GRS2005-080663, dated 15 August 2005, stating that the 7.02 carat ruby is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment. Considered as GRS type “pigeon’s blood”.


  292. 292
    Sotheby's | Oct-2005 | Hong Kong | Lot 1244, Ruby and Diamond Ring | GRS2005-060003T

    Centring on a cushion-shaped ruby weighing 5.10 carats between two half moon-shaped diamond shoulders together weighing approximately 0.65 carat, mounted in 18 karat white gold.
    Ring size: 5 1/2

    Accompanied by GRS report numbered GRS2005-060003T, dated 1 June 2005, stating that the 5.10 carat ruby is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment. Considered GRS type “pigeon’s blood”.


  293. 293
    Sotheby's | Oct-2005 | Hong Kong | Lot 1436, Pair of Sapphire and Diamond Pendent Earrings | GRS2001-05113

    Each set with a cushion-shaped sapphire weighing 6.22 and 6.06 carats respectively, surmounted by circular-cut diamonds, mounted in 18 karat white gold.

    Accompanied by GRS report numbered GRS2001-05113, stating that the 6.06 carat sapphire is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  294. 294
    Sotheby's | Oct-2005 | Hong Kong | Lot 1177, Colour-changing Sapphire and Diamond Ring | GRS2005-020877

    Centring on a cushion-shaped colour-changing sapphire weighing 8.98 carats, flanked by a double border of tapered baguette diamonds together weighing approximately 1.95 carats, mounted in 18 karat white gold.
    Ring size: 6 1/2

    Accompanied by GRS report numbered GRS2005-020877, dated 22 February 2005, stating that the 8.98 carat sapphire is natural, of Sri Lanka origin, with no indications of thermal treatment. Special Comment: Prominent colour-change in different light sources with intensively saturated colours.


  295. 295
    Sotheby's | Oct-2005 | Hong Kong | Lot 1449, Ruby and Diamond Ring | GRS2005-080637

    Centering on an oval-shaped ruby weighing 8.03 carats, framed by eight oval-shaped diamonds to a partially pavé-set diamond shank, together the diamonds weighing approximately 4.05 carats, mounted in 18 karat white gold.
    Ring size: 5 ¾

    Accompanied by GRS report number GRS2005-080637 dated 15 August 2005, stating that the 8.03 carat ruby is natural, of Burmese (Myanmar) origin, with no indications of heating. Considered as GRS type “pigeon’s blood”.


  296. 296
    Sotheby's | Oct-2005 | Hong Kong | Lot 1442, Pair of Ruby, Pink Diamond and Diamond Pendent Earrings | GRS2004-050693 & 2004-050694

    Each set with an oval-shaped ruby weighing 2.58 and 3.35 carats respectively, surmounted by a shield-shaped diamond together weighing approximately 1.50 carats, within a double border of circular-cut pink and near colourless diamonds, connected by a circular-cut diamond, pink diamond flower adornment to the reverse, mounted in 18 karat gold and rose gold.

    Accompanied by two duplicated GRS reports numbered GRS2004-050693 and GRS2004-050694, stating that the 2.58 and 3.35 carat rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment. Considered GRS type “pigeon’s blood”.


  297. 297
    Sotheby's | Nov-2005 | Geneva | Lot 79, Spinel and Diamond Ring | GRS2005-070549T

    Claw-set with a cushion-shaped pink spinel weighing 12.68 carats, between single-cut diamond shoulders, mounted in platinum, size 51.

    Accompanied by GRS report no. GRS2005-070549T.


  298. 298
    Sotheby's | Nov-2005 | Geneva | Lot 132, Whimsical Spinel and Diamond Brooch | GRS2005-050175T

    Designed as a turtle, the shell set with a facetted red spinel weighing 39.66 carats, the eyes with similar stones, the head and feet pavé-set with brilliant-cut diamonds, mounted in 18 carat white gold.

    Accompanied by GRS report no. GRS2005-050175T stating natural spinel, deep red colour.


  299. 299
    Sotheby's | Nov-2005 | Geneva | Lot 160, Fine Ruby and Diamond Ring | GRS2001-05477

    Claw-set with a cushion-shaped ruby weighing 9.02 carats, within a rose-cut diamond border, the shoulders decorated with smaller circular-cut rubies, mounted in 18 carat blackened gold,

    Accompanied GRS report no. GRS2001-05477 stating that the ruby is of Burmese origin, with no indications of thermal enhancement.


  300. 300
    Sotheby's | Nov-2005 | Geneva | Lot 204, Star Ruby and Diamond Ring |

    Claw-set with an oval star ruby weighing 12.01 carats, within a border and shoulders set with brilliant-cut diamonds, mounted in 18 carat yellow gold, size 50.

    Accompanied by GRS report no. GRS2003-070431 stating that the ruby is of Burmese origin, with no indication of thermal treatment, with an additional quality comment stating “well established sharp star effect”


  301. 301
    Sotheby's | Nov-2005 | Geneva | Lot 207, Ruby Ring | GRS2002-01046 & 2000-09009

    Of crossover design, set with two oval rubies weighing 3.05 and 3.08 carats respectively, mounted in 18 carat yellow gold, size 51.

    Accompanied by GRS reports no. GRS2002-01046 and GRS2000-09009 stating that the rubies are of Burmese origin, with no indication of thermal treatment.


  302. 302
    Sotheby's | Nov-2005 | Geneva | Lot 209, Ruby and Diamond Ring | GRS2004-101089

    The oval ruby weighing 3.04 carats set between tapered baguette diamond shoulders, mounted in platinum and 18 carat yellow gold, size 50.

    Accompanied by GRS report no. GRS2004-101089 stating that the ruby is of Burmese origin, with no indications of thermal treatment.


  303. 303
    Sotheby's | Nov-2005 | Geneva | Lot 212, Pink Sapphire and Diamond Ring | GRS2005-020523

    Set with a step-cut pink sapphire weighing 3.90 carats, within an 18 carat yellow gold mount highlighted with single-cut diamonds, size 52.

    Accompanied by a GRS report no. GRS2005-020523 stating that the natural pink sapphire shows no indications of thermal treatment.


  304. 304
    Sotheby's | Nov-2005 | Geneva | Lot 213, Ruby and Diamond Ring | GRS2005-060597

    Set at the centre with a cushion-shaped ruby weighing 2.50 carats between cushion-shaped diamond shoulders, mounted in 18 carat yellow gold, size 55.

    Accompanied by a GRS report no. GRS2005-060597 stating that the ruby is of Afghanistan origin, with no indication of thermal treatment.


  305. 305
    Sotheby's | Nov-2005 | Geneva | Lot 214, Tsavorite Garnet and Diamond Ring | GRS2004-111195

    The oval tsavorite garnet weighing 5.81 carats mounted in 18 carat gold, enhanced by pavé-set single-cut diamonds, size 54.

    Accompanied by GRS report no. GRS2004-111195, with a special commentary on the tsavorite garnet offered here, specifically its exceptional rare pure green colour and low tone.


  306. 306
    Sotheby's | Nov-2005 | Geneva | Lot 220, Spinel and Diamond Ring | GRS2004-120887

    The cushion-shaped spinel weighing 11.71 carats set in an 18 carat gold mount enhanced to the shoulders and bezel with single-cut diamonds, size 52.

    Accompanied by GRS report no. GRS2004-120887 with a special commentary on the spinel offered here, highlighting the features of the stone, including its size, fine clarity and ”vibrant red” rare colour.


  307. 307
    Sotheby's | Nov-2005 | Geneva | Lot 241, Peridot and Diamond Pendant | GRS2004-090910

    Set with a pear-shaped peridot weighing 63.72 carats within a border pavé-set with brilliant-cut diamonds, mounted in 18 carat white gold.

    Accompanied by GRS report no. GRS2004-090910 stating that the peridot is of Burmese origin.


  308. 308
    Sotheby's | Nov-2005 | Geneva | Lot 265, Impressive Ruby and Diamond Ring | GRS2005-060554

    Claw-set with an oval ruby weighing 4.10 carats between triangular diamond shoulders, mounted in platinum, size 52.

    Accompanied by GRS report no. GRS2005-060554 stating that the ruby is of Burmese origin, with no indication of thermal treatment.


  309. 309
    Sotheby's | Nov-2005 | Geneva | Lot 418, Ruby and Diamond Ring | GRS2005-080410

    Set at the centre with an oval ruby weighing 16.03 carats set between trapezoid diamond shoulders, mounted in platinum, size 51.

    Accompanied by GRS report no. GRS2005-080410 stating that the ruby is of Burmese origin, with no indication of thermal treatment.


  310. 310
    Christie's | Nov-2005 | Geneva | Lot 168, A Sapphire and Diamond Ring, By Carvin French | GRS2003-060460

    The circular-cut sapphire weighing 24.48 carats to the triple row briolette-cut brown diamond surround and the diamond-set hoop, mounted in platinum, ring size 5½
    With maker’s mark for Carvin French

    Report no. GRS2003-060460 dated 18 June 2003 from the GemResearch SwissLab stating that the sapphire is of Burmese origin, no indication of thermal treatment


  311. 311
    Christie's | Nov-2005 | Geneva | Lot 309, A Pair of Ruby and Diamond Ear Pendants | GRS2005-070543 & 2005-070544

    Each designed as a pear-shaped ruby weighing 6.72 and 6.46 carats within a diamond border suspending three marquise shaped rose-cut diamonds to the brilliant and baguette-cut diamond surmount, mounted in platinum, 6.0 cm long
    Accompanied by report nos. GRS2005-070543 and GRS2005-070544 dated 8 and 7 July respectively from the GRS GemResearch SwissLab stating that the rubies are of Burmese origin, enhanced by heat, residues insignificant


  312. 312
    Christie's | Nov-2005 | Hong Kong | Lot 2036, A Diamond and Ruby Eternity Band, By Mouawad | GRS2005-080753

    Comprising eleven oval-cut diamonds and an oval-cut ruby, mounted in platinum, ring size 4, in a Mouawad case

    Signed Mouawad

    With report no. GRS2005-080753 dated 18 August 2005 from the GemResearch SwissLab stating that the ruby weighing 1.11 carats is of Burmese origin, enhanced by heat, residue insignificant


  313. 313
    Christie's | Nov-2005 | Hong Kong | Lot 2263, Superb Star Ruby, Diamond and Pink Tourmaline Ring | GRS2005-080393

    Centering upon a star ruby weighing 18.83 carats, within a pink tourmaline inlaid with pear-shaped rose-cut diamonds, mounted in 18k gold, ring size 5¾

    With report no. GRS2005-080393 dated 5 August 2005 from the GemResearch SwissLab stating that the ruby is of Burmese origin, with no indication of thermal treatment


  314. 314
    Christie's | Nov-2005 | Hong Kong | Lot 2067, A Ruby and Diamond Ring | GRS2002-01493

    Set with an oval-cut ruby weighing 2.06 carats, flanked on either side by pear-shaped diamonds, mounted in platinum, ring size 5¾

    With report no. GRS2002-01493 dated 25 January 2002 from the GemResearch SwissLab stating that the 2.06 carat ruby is of Burmese origin (GRS type “pigeon’s blood”) and no indication of thermal treatment


  315. 315
    Christie's | Nov-2005 | Hong Kong | Lot 2193, An Unmounted Cat's Eye Chrysoberyl | GRS2004-121014

    Weighing 48.38 carats

    With report no. GRS2004-121014 dated 23 December 2004 from the GemResearch SwissLab stating that the cat’s eye chrysoberyl shows no traces of radioactivity detected


  316. 316
    Christie's | Nov-2005 | Hong Kong | Lot 2072, A Pair of Ruby and Diamond Ear Pendants | GRS2005-080748, 2005-080747

    Each set with an oval-cut ruby weighing 3.25 and 3.40 carats within a diamond-set twin hoop frame, suspending five pear-shaped diamonds, to the similarly-set ruby top weighing 2.05 and 2.08 carats, mounted in white and yellow gold, 5.3 cm long

    With report no GRS2005-080748 dated 19 August 2005 from the GemResearch SwissLab stating that the 3.25 and 3.40 carat rubies are both of Burmese origin (GRS type “pigeon’s blood”), with no indication of thermal treatment

    With report no. GRS2005-080747 dated 19 August 2005 from the GemResearch SwissLab stating that the 2.05 and 2.08 carat rubies are both of Burmese origin (GRS type “pigeon’s blood”), with no indication of thermal treatment


  317. 317
    Sotheby's | Dec-2005 | New York | Lot 400, Sapphire and Diamond Bracelet | GRS2003-060696

    The modified straightline set in the center with a cushion-shaped sapphire, the articulated straps set with French calibré-cut sapphires bordered by baguette diamonds, the total sapphire weight approximately 17.15 carats, the total diamond weight approximately 6.80 carats, mounted in platinum, length 6 ½ inches.

    Please note that this lot is accompanied by GRS report no. 2003-060696 stating that the center 5.55 carat sapphire is of Madagascar origin with no indication of thermal treatment.


  318. 318
    Sotheby's | Dec-2005 | New York | Lot 145, Red Spinel and Diamond Ring | GRS2005-050901

    The cushion-shaped spinel weighing 10.38 carats, flanked by 2 half-moon-shaped diamonds, mounted in platinum and 18 karat gold, size 6 ¼.

    Accompanied by GRS report no. 2005-050901 stating that the stone is natural spinel.


  319. 319
    Sotheby's | Dec-2005 | Amsterdam | Lot 291, A Spinel and Diamond Ring | GRS2005-070839

    The claw-set oval spinel weighing 3.02 carats, flanked to either side by three baguette diamonds, accompanied by a GRS Report no. GRS2005-070839 stating the spinel to be natural, ring size 17 mm.


  320. 320
    Sotheby's | Dec-2005 | London | Lot 116, Ruby and Diamond Ring | GRS2004-070816

    The oval ruby weighing 8.02 carats mounted between trapezoid- shaped diamond shoulders, size M.

    Accompanied by a certificate from the GRS, no. 2004-070816, stating that the ruby is of Burmese origin, with insignificant evidence of heat treatment.


  321. 321
    Sotheby's | Dec-2005 | London | Lot 370, Spinel and Diamond Ring | GRS2005-020428

    Set with a cushion-shaped spinel weighing 4.09 carats between half moon-shaped diamond shoulders, size L.

    Accompanied by GRS report no. 2005-020428 stating that the natural spinel is orangy-red colour.


  322. 322
    Sotheby's | Dec-2005 | London | Lot 433, Spinel and Diamond Ring | GRS2005-070868

    The cushion-shaped pink spinel weighing 9.00 carats set between triangular diamond shoulders, size N.

    Accompanied by GRS report no. 2005-070868.


  323. 323
    Christie's | Dec-2005 | London | Lot 434, A Ruby and Diamond Ring | GRS2005-080056

    The oval ruby, weighing 2.02 carats, in claw mount to baguette diamond two stone shoulders
    Accompanied by report no. GRS2005-080056 dated 3rd August 2005 from the Gemresearch Swisslab (GRS) stating that the ruby weighing 2.02 carats is of Burmese (Myanmar) origin, no evidence of thermal treatment


  324. 324
    Christie's | Dec-2005 | London | Lot 431, A Sapphire and Diamond Ring | GRS2005-061201

    The oval sapphire weighing 10.34 carats to baguette diamond two stone shoulders
    Accompanied by report no. GRS2005-061201 dated 1st July 2005 from the Gemresearch Swisslab (GRS) stating that the sapphire weighing 10.34 carats is of Burmese (Myanmar) origin, no evidence of thermal treatment


  325. 325
    Sotheby's | Feb-2006 | New York | Lot 457, Platinum, Ruby and Diamond Earrings |

    With GRS report stating rubies are approx 4.36 cts, of Burmese origin, no indication of thermal treatment.


  326. 326
    Sotheby's | Feb-2006 | St. Moritz | Lot 137, Sapphire and Diamond Ring | GRS9907139

    The sugarloaf sapphire weighing 11.97 carats, flanked to either side by a baguette diamond, mounted in platinum, size 53

    Accompanied by GRS report no. GRS9907139 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  327. 327
    Sotheby's | Feb-2006 | St. Moritz | Lot 385, Pair of Sapphire and Diamond Earclips | GRS2005-090869

    Each claw-set with an oval sapphire within a border of brilliant-cut diamonds, mounted in platinum.

    Accompanied by GRS report no. GRS2005-090869 stating that the sapphires, weighing a total of 9.33 carats, show no indications of thermal treatment.


  328. 328
    Sotheby's | Feb-2006 | St. Moritz | Lot 432, Impressive Sapphire and Diamond Ring | GRS2005-110677

    Claw-set with a cushion-shaped sapphire weighing 51.89 carats within a border of brilliant-cut diamonds, mounted in platinum, size 53.

    Accompanied by GRS report no. GRS2005-110677 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  329. 329
    Sotheby's | Feb-2006 | St. Moritz | Lot 373, Sapphire and Diamond Ring | GRS2001-06472

    The cushion-shaped sapphire weighing 16.22 carats within a millegrain mount highlighted by single-cut diamonds, mounted in platinum, size 53.

    Accompanied by a duplicate of GRS report no. GRS2001-06472 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  330. 330
    Sotheby's | Feb-2006 | St. Moritz | Lot 281, Ruby and Diamond Ring | GRS2005-010981

    Claw-set with an oval ruby weighing 5.04 carats within an 18 carat white gold mount pavé-set with single-cut diamonds, size 51.

    Accompanied by GRS report no. GRS2005-010981 stating that the ruby is of Burmese origin, with no indication of thermal treatment.


  331. 331
    Sotheby's | Feb-2006 | St. Moritz | Lot 96, Pink Sapphire and Diamond Ring | GRS2005-101232

    Claw-set with an oval pink sapphire weighing 3.34 carats, within a border of brilliant-cut and marquise-shaped diamonds, mounted in platinum, size 52.

    Accompanied by GRS report no. GRS2005-101232 stating that the natural pink sapphire is of Burmese origin, with no indication of thermal treatment.


  332. 332
    Sotheby's | Apr-2006 | Hong Kong | Lot 1319, Pair of Ruby and Diamond Pendent Earrings | GRS2006-010735 & 010708

    Each set with an oval ruby weighing 4.05 and 4.28 carats respectively, accented by pavé-set diamond swirl borders, surmounted by similarly-set diamond hoops, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS2006-010735 and GRS2006-010708, stating that the 4.05 and 4.28 carat rubies are natural, of Burmese origin, with no indication of thermal treatment.


  333. 333
    Sotheby's | Apr-2006 | Hong Kong | Lot 1320, Pair of Ruby and Diamond Pendent Earrings | GRS2005-070823 & 070824

    Each set with a circular rose-cut diamond suspending a pear-shaped ruby weighing 5.04 and 5.02 carats respectively, within pavé-set diamond frames, connected by similarly-set entwined diamond links, mounted in 18 karat white and yellow gold.

    Accompanied by GRS reports numbered GRS2005-070823 and GRS2005-070824, stating that the 5.04 and 5.02 carat rubies are natural, of Burmese origin, with no indication of thermal treatment.


  334. 334
    Sotheby's | Apr-2006 | Hong Kong | Lot 1314, Purple-red Star Ruby and Diamond Ring | GRS2004-120141T

    Claw-set with an oval cabochon purple-red star ruby weighing 9.11 carats enclosed within a milligrain decorated basket pavé-set with diamonds extending to the shank shoulders, together the diamonds weighing approximately 1.00 carat, mounted in 18 karat white gold. Ring size: 5 ½

    Accompanied by GRS report numbered GRS2004-120141T, dated 13 December 2004, stating that the 9.11 carat star ruby is natural, of Burmese origin, with no indication of thermal treatment.


  335. 335
    Sotheby's | Apr-2006 | Hong Kong | Lot 1287, Cat's-eye Chrysoberyl and Diamond Ring | GRS2005-020350T

    Centring on a cabochon cat’s-eye chrysoberyl weighing 30.81 carats, framed by circular-cut diamonds, the edges collet-set with similarly-cut diamonds, to the pavé-set diamond ribbon loop shank shoulders, together the diamonds weighing approximately 1.30 carats, mounted in 18 karat white gold. Ring size: 5 ¾

    Accompanied by GRS report numbered GRS2005-020350T, dated 28 February 2005, stating that the 30.81 carat cat’s-eye chrysoberyl is natural, greenish-yellow colour (GRS type “golden”), with no traces of radioactivity detected.


  336. 336
    Sotheby's | Apr-2006 | New York | Lot 406, Platinum, Sapphire and Diamond Earrings |

    2 sapphires and 40 diamonds approx 4.85 & 1.50 cts, with GRS report stating the sapphires are of Burmese origin, no indication of thermal treatment.


  337. 337
    Sotheby's | Apr-2006 | New York | Lot 418, Pair of Sapphire and Diamond Earclips | 2005-110909

    The 2 oval-shaped sapphires weighing approximately 19.76 carats, framed by 20 round diamonds weighing approximately 8.60 carats, mounted in platinum.

    Accompanied by GRS report no. 2005-110909 stating that the sapphires are natural; enhanced by heat, no residues present.


  338. 338
    Christie's | May-2006 | Rome | Lot 830, A Gold, Ruby and Diamond Ring | GRS2004-110068T

    ANELLO IN ORO, RUBINO E DIAMANTI
    al centro un rubino ovale affiancato da due diamanti taglio a mezzaluna, punzone 750
    rubino cts 4.32 – Certificato GRS n.GRS2004-110068T datato 11/11/04 stabilisce che il rubino è di origine Burma (Myanmar) e non presenta segni di riscaldamento


  339. 339
    Christie's | May-2006 | Geneva | Lot 171, A Pink Sapphire and Diamond Ring | GRS2006-020527

    The oval-shaped pink sapphire weighing 13.03 carats within a brilliant-cut diamond surround, mounted in platinum, ring size 6¼
    Accompanied by report no. GRS2006-020527 dated 8 February 2006 from the GRS GemResearch Swisslab stating that the pink sapphire shows no indication of thermal treatment


  340. 340
    Christie's | May-2006 | Geneva | Lot 27, A Sapphire and Diamond Ring | GRS2004-080090T

    The oval-shaped sapphire weighing 3.80 carats to the pavé-set diamond ‘bow’ shoulders, ring size 6¼, with French assay mark for platinum
    Accompanied by report no. GRS2004-080090T dated 16 August 2004 from the GRS GemResearch Swisslab stating that the sapphire is of Burmese origin, no indication of thermal treatment


  341. 341
    Christie's | May-2006 | Geneva | Lot 200, A Ruby and Diamond Ring | GRS2004-071089

    The oval-shaped ruby weighing 7.24 carats to the tapered baguette-cut diamond shoulders, ring size 5¼, with French assay mark for gold
    Accompanied by report no. GRS2004-071089 dated 28 July 2004 from the GRS GemResearch Swisslab stating that the ruby is of Burmese origin, no indication of thermal treatment


  342. 342
    Christie's | May-2006 | Geneva | Lot 367, A Ruby and Diamond Ring | GRS2005-060595T

    The cushion-shaped ruby weighing 15.07 carats to the half-moon diamond shoulders, mounted in 18k white and yellow gold, ring size 6¾
    Accompanied by report no. GRS2005-060595T dated 30 June 2005 from the GRS GemResearch Swisslab stating that the ruby is of Burmese origin, no indications of thermal treatment


  343. 343
    Christie's | May-2006 | Geneva | Lot 395, A Sapphire and Diamond Ring | grs2004-0411497, 060095T

    The cushion-shaped sapphire weighing 7.48 carats to the triangular-shaped diamond shoulders, mounted in platinum, ring size 6
    Accompanied by report no. 0411497 dated 15 December 2004 from the Gübelin Gem Lab stating that the sapphire is of Kashmir origin, no indications of heating
    Report no. GRS2004-060095T dated 7 June 2004 from the GRS GemResearch Swisslab stating that the sapphire is of Kashmir origin, no indication of thermal treatment and that the blue is GRS type ‘cornflower’


  344. 344
    Christie's | May-2006 | Geneva | Lot 161, A Ruby and Diamond 'Trombino' Ring, by Bulgari | GRS2003-101172

    The cushion-shaped ruby weighing 5.06 carats to the baguette-cut diamond shoulders and pavé-set diamond bombé mount, mounted in platinum, ring size 6½
    Signed Bulgari
    Accompanied by report no. GRS2003-101172 dated 30 October 2003 from the GRS GemResearch Swisslab stating that the ruby is of Burmese origin, no indication of thermal treatment


  345. 345
    Christie's | May-2006 | Geneva | Lot 28, A Pair of Ruby Or Sapphire and Diamond Bracelets | GRS2006-020980, 020965

    Each designed as fifteen oval-shaped rubies weighing from 2.06 to 1.03 carats or fifteen oval-shaped sapphires weighing from 1.75 to 0.91 carats to the brilliant-cut diamond spacers, mounted in 18k white and yellow gold, 18.0 cm long

    The total ruby weight is 21.18 carats; the total sapphire weight is 19.29 carats
    Accompanied by report nos. GRS2006-020980 and GRS2006-020965 dated 23 February 2006 from the GRS GemResearch Swisslab stating that the rubies and sapphires are of Burmese origin, no indication of thermal treatment (2)


  346. 346
    Christie's | May-2006 | Geneva | Lot 336, A Multi-coloured Sapphire and Diamond Bracelet | GRS2005-091690

    Designed with seventeen Asscher-cut multi-coloured sapphires and one Asscher-cut Padparadscha sapphire weighing 4.50 carats to the baguette-cut diamond spacers, mounted in 18k gold and platinum, 17.2 cm long
    Accompanied by report no. GRS2005-091690 dated 20 September 2005 from the GRS GemResearch Swisslab stating that the Padparadscha sapphire is of Sri Lankan origin, no indications of thermal treatment


  347. 347
    Christie's | May-2006 | Geneva | Lot 370, A Ruby and Diamond Bracelet | GRS2006-020681

    Designed as fourteen oval-shaped rubies weighing from 5.02 to 1.31 carats to the rectangular-shaped diamond spacers, mounted in 18k white gold, 17.0 cm long

    Total weight of the rubies is 38.88 carats
    Accompanied by report no. GRS2006-020681 dated 21 February 2006 from the GRS GemResearch Swisslab stating that the rubies are of Burmese origin, no indication of thermal treatment


  348. 348
    Christie's | May-2006 | Geneva | Lot 31, A Ruby and Diamond Ring | GRS2006-011077

    The oval-shaped ruby weighing 3.29 carats within a baguette-cut diamond surround to the brilliant-cut diamond shoulders, mounted in platinum, ring size 6½

    Report no. GRS2006-011077 dated 18 January 2006 from the GRS GemResearch Swisslab stating that the ruby is of Burmese origin, no indication of thermal enhancement
    According to the latter report the ruby is classified as ‘GRS type “pigeon’s blood” vivid red’


  349. 349
    Christie's | May-2006 | Geneva | Lot 342, A Ruby and Diamond Necklace |

    The five oval shaped rubies weighing 11.10, 10.84, 10.37, 10.17 and 10.03 carats to the brilliant and marquise-cut diamond cluster surrounds and sides, mounted in platinum and 18k gold, 43.0 cm long
    Accompanied by five reports dated 22 November 2005 from the GRS GemResearch Swisslab stating that the rubies are of Burmese origin, enhanced by heat, minor residues are present except for the ruby weighing 10.37 carats which is enhanced by heat, residues insignificant


  350. 350
    Sotheby's | May-2006 | Geneva | Lot 183, Very Fine Spinel and Diamond Ring | GRS2005-050628

    Set with a cushion-shaped spinel weighing 7.06 carats, the platinum mount enhanced with brilliant-cut diamonds, size 52.
    Accompanied by GRS report no. GRS2005-050628 stating that the spinel is natural.


  351. 351
    Sotheby's | May-2006 | Geneva | Lot 314, Attractive Sapphire and Diamond Ring | GRS2006-020498

    Claw-set with a cushion-shaped sapphire weighing 22.10 carats between two trillion-cut diamonds, mounted in white gold, size 51.
    Accompanied by GRS report no. GRS2006-020498 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  352. 352
    Sotheby's | May-2006 | Geneva | Lot 284, Impressive Sapphire and Diamond Ring | GRS2005-110677

    Claw-set with a cushion-shaped sapphire weighing 51.89 carats within a border of brilliant-cut diamonds, mounted in platinum, size 53.
    Accompanied by GRS report no. GRS2005-110677 stating that the sapphire is of Burmese origin, with no indication of thermal treatmen


  353. 353
    Sotheby's | May-2006 | Geneva | Lot 296, Sapphire and Diamond Ring | GRS2005-050574

    Set with an oval sapphire weighing 8.47 carats within a brilliant-cut diamond border, mounted in white gold, size 53, fitted case.
    Accompanied by GRS report no. GRS2005-050574 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  354. 354
    Sotheby's | May-2006 | Geneva | Lot 260, Ruby and Diamond Ring | GRS2004-090727

    Set with an oval ruby weighing 3.51 carats within a brilliant-cut diamond border, mounted in yellow gold, size 54.
    Accompanied by GRS report no. GRS2004-090727 stating that the ruby is of Burmese origin with no indication of thermal treatment and of vivid red colour.


  355. 355
    Sotheby's | May-2006 | Geneva | Lot 323, Ruby and Diamond Ring | GRS2005-091134

    Set with a cushion-shaped ruby weighing 4.04 carats, between half-moon shaped diamond shoulders, mounted in platinum, size 52.
    Accompanied by GRS report no. GRS2005-091134 stating that the ruby is of Burmese origin, with no indications of heating.


  356. 356
    Sotheby's | May-2006 | Geneva | Lot 63, Pair of Sapphire and Diamond Earclips | GRS2005-050785 and 050793

    Each set with an oval sapphire weighing 3.61 and 4.30 carats respectively, within a brilliant-cut diamond border, mounted in platinum.
    Accompanied by GRS reports no. GRS2005-050785 and GRS2005-050793 stating that the sapphires are of Burmese origin, with no indication of thermal treatment.


  357. 357
    Sotheby's | May-2006 | Geneva | Lot 324, Ruby and Diamond Bracelet | GRS2006-020700

    The bracelet composed of a line of graduated cabochon rubies weighing 58.26 carats in total, interspersed with step-cut diamonds, mounted in white gold, length 180mm.
    Accompanied by GRS report no. GRS2006-020700 stating that the rubies are of Burmese origin, with no indication of thermal treatment.


  358. 358
    Christie's | Jun-2006 | London | Lot 294, A Sapphire and Diamond Ring | GRS2005-070294T

    The central sapphire weighing 23.11 carats to the bifurcated diamond shoulders and plain hoop
    Accompanied by report No. GRS2005-070294T dated 14 July 2005 from the Gem Research Swiss Lab (GRS), stating that the sapphire is of Burmese origin, no evidence of heat treatment


  359. 359
    Christie's | Jun-2006 | Hong Kong | Lot 2349, A Ruby and Diamond Ring | GRS2005-100121T

    Set with an oval-shaped ruby weighing 7.68 carats flanked by shield-shaped diamonds, mounted in platinum, ring size 5¾

    With report no. GRS2005-100121T dated 17 October 2005 from the GemResearch SwissLab stating that the ruby is of Burmese origin (GRS type ‘pigeon’s blood’), enhanced by heat with minor residues


  360. 360
    Christie's | Jun-2006 | New York | Lot 100, A Ruby and Diamond Ring | GRS2005-110709

    Set with an oval-cut ruby, weighing approximately 8.10 carats, within a circular-cut diamond surround, mounted in platinum

    With report GRS2005-110709 dated 16 November 2005 from the GRS Gemresearch Swisslab stating that gemmological testing revealed characteristics corresponding to those of a natural ruby from Burma (Myanmar). Enhanced by heat, minor residues present


  361. 361
    Christie's | Jun-2006 | New York | Lot 68, A Sapphire and Diamond Ring | GRS2001-06472

    Set with a cushion-cut sapphire, weighing approximately 16.22 carats, to the single-cut diamond gallery and half-hoop, mounted in platinum
    With report GRS2001-06472 dated 18 May 2004 from the GRS Gemresearch Swisslab stating that gemmological testing revealed characteristics corresponding to those of a natural sapphire from Burma (Myanmar). No indication of thermal treatment


  362. 362
    Christie's | Jun-2006 | Hong Kong | Lot 2316, A Ruby and Diamond Ring | GRS2005-080392

    Set with a cushion-shaped ruby weighing 2.46 carats within a marquise and brilliant-cut diamond surround, to the brilliant-cut diamond hoop, mounted in platinum and gold, ring size 5

    With report no. GRS2005-080392 dated 5 August 2005 from the GemResearch SwissLab stating that the ruby is of Burmese origin (GRS type ‘pigeon’s blood’), with no indication of thermal treatment


  363. 363
    Christie's | Jun-2006 | New York | Lot 99, A Pair of Ruby and Diamond Ear Clips | GRS2005-070275T

    Each set with an oval-cut ruby, weighing approximately 8.64 and 8.77 carats, within a circular-cut diamond surround, mounted in platinum
    With report GRS2005-070275T dated 14 July 2005 from the GRS Gemresearch Swisslab stating that gemmological testing revealed characteristics corresponding to those of 2 natural rubies from Burma (Myanmar). Enhanced by heat, minor residues are present


  364. 364
    Christie's | Jun-2006 | New York | Lot 109, A Suite of Ruby and Diamond Jewelry | GRS2001-07162, 07252

    Comprising a necklace, the front designed as a series of rose and single-cut diamond swags, each suspending an oval-cut ruby and rose-cut diamond cluster, to the rose-cut diamond chain; and a pair of ear pendants en suite, mounted in 18k oxidized white gold, necklace 15½ ins.
    With report GRS2001-07162 dated 9 July 2001 from the GRS Gemresearch Swisslab stating that gemmological testing of the six rubies in the necklace revealed characteristics corresponding to those of six natural rubies from Burma (Myanmar) and there are no indications of thermal treatment

    With report GRS2001-07252 dated 23 July 2001 from the GRS Gemresearch Swisslab stating that gemmological testing of three of the rubies in the ear pendants revealed characteristics corresponding to those of three natural rubies from Burma (Myanmar) and there are no indications of thermal treatment. And that the fourth ruby is enhanced by heat and minor residues are present (within fissures only) (2)


  365. 365
    Christie's | Jun-2006 | London | Lot 225, A Sapphire and Diamond Ring | GRS2006-021463

    The central oval-shaped sapphire weighing 11.19 carats to the graduated baguette-cut diamond shoulders and plain hoop
    Accompanied by report No. GRS2006-021463 dated 28 February 2006 from the Gem Research Swiss Lab (GRS) stating that the sapphire has no indication of heat treatment


  366. 366
    Christie's | Jun-2006 | Paris | Lot 269, A Ruby, Diamond and Gold Ring | GRS2005-011237

    BAGUE RUBIS ET DIAMANTS
    Sertie d’un rubis ovale de 5.29 carats épaulé de deux diamants demi-lunes, monture en or gris
    Accompagnée d’un certificat du Gem Research Swisslab (GRS) no. 011237 en date du 25 janvier 2005 attestant que le rubis possède les caractéristiques des gisements des rubis de Myanmar (anciennement Birmanie), couleur “vivid red” sang de pigeon, pas d’indication de traitement thermique constatée


  367. 367
    Christie's | Jun-2006 | Hong Kong | Lot 2350, A Pair of Ruby and Diamond Ear Pendants | GRS2005-120766

    Each set with a pear-shaped ruby weighing 4.31 and 5.12 carats within a brilliant-cut diamond surround and gallery, suspended by a cushion-shaped diamond cluster top, mounted in platinum, 3.6 cm long

    With report no. GRS2005-120766 dated 15 December 2005 from the GemResearch SwissLab stating that both rubies are of Burmese origin, enhanced by heat with insignificant or minor residues (2)


  368. 368
    Christie's | Jun-2006 | Paris | Lot 243, A Belle Epoque Sapphire, Diamond and Platinum Ring | GRS2001-07298

    BAGUE BELLE EPOQUE SAPHIR ET DIAMANTS
    Ornée d’un saphir de taille coussin de 7.41 carats dans un double entourage de diamants ronds taille ancienne en serti clos perlé, monture en platine, vers 1915
    Accompagnée d’un certificat du Gem Research Swisslab (GRS) no. 07298 en date du 24 juillet 2001 attestant que le saphir possède les caractéristiques des saphirs des gisements de Myanmar (anciennement Birmanie), pas de modification thermique constatée


  369. 369
    Christie's | Jun-2006 | Hong Kong | Lot 2576, An Impressive Ruby and Diamond Ring, By Chaumet | GRS2004-020417

    Centering upon a cushion-shaped ruby weighing 5.11 carats within a square-cut diamond bombé surround, mounted in platinum, ring size 5¾

    Signed Chaumet Paris, no. CS70725

    With report no. GRS2004-020417 dated 5 February 2004 from the GemResearch SwissLab stating that the ruby is of Burmese origin, with no indication of thermal enhancement and a special comment stating that burmese rubies over five carats with fine clarity, colour and brilliancy, spared of thermal enhancement are rare


  370. 370
    Sotheby's | Jun-2006 | New York | Lot 256, Sapphire and Diamond Ring | GRS2004-010445

    The oval-shaped sapphire weighing 7.71 carats, framed by 14 round diamonds weighing approximately 1.10 carats, the shoulders set with 2 oval-shaped sapphires, completed by numerous small pavé-set round diamonds, mounted in platinum, size 6¼.
    Accompanied by GRS report no. 2004-010445 stating that the sapphire is of Sri Lankan origin; no indication of thermal treatment.


  371. 371
    Sotheby's | Jun-2006 | London | Lot 452, Sapphire and Diamond Ring | GRS2006-021462

    Centring on a claw-set cushion-shaped sapphire weighing 12.92 carats, between stepped baguette diamond shoulders, size M.
    Accompanied by a report from GRS numbered GRS2006-021462 stating that the natural sapphire shows no indication of thermal treatment.


  372. 372
    Sotheby's | Jun-2006 | London | Lot 129, Peridot and Diamond Cluster Earrings | GRS2006-010712

    Each cushion-shaped peridot, weighing 8.13 and 7.64 carats respectively, encased within surrounds of millegrain set brilliant-cut diamonds.
    Accompanied by a report from the GRS numbered GRS2006-010712 stating that the natural peridots originate from Burma (Myanmar).


  373. 373
    Sotheby's | Oct-2006 | Hong Kong | Lot 1217, Property of An Asian Lady Blackish Violetish-blue Spinel and Diamond Ring | GRS2006-061072

    Centring on a circular-cut blackish violetish-blue spinel weighing 10.25 carats, to a surround of brilliant-cut diamonds, extending to the shank, mounted in 18 karat white gold. Ring size : 5¼
    Accompanied by GRS report numbered GRS2006-061072, dated 14th June 2006, stating that the 10.25 carat spinel is natural, blackish violetish-blue colour.


  374. 374
    Sotheby's | Oct-2006 | Hong Kong | Lot 1292, Demantoid Garnet and Yellow Diamond Ring | GRS2003-080532

    Centring on a demantoid garnet weighing 2.14 carats, framed by circular-cut yellow diamonds, extending to the twisted shoulders of rope design, the yellow diamonds together weighing approximately 1.60 carats, mounted in 18 karat yellow gold. Ring size : 6¼
    Accompanied by GRS report numbered GRS2003-080532, dated 14 August 2003, stating that the 2.14 carat demantoid garnet is nature, of Ural (Russia) origin, with vivid green colour


  375. 375
    Sotheby's | Oct-2006 | Hong Kong | Lot 1351, Ruby and Diamond Ring | GRS2005-101104

    Centring on an oval ruby weighing 4.09 carats, framed by brilliant-cut diamonds together weighing approximately 1.65 carats, mounted in platinum. Ring size : 6
    Accompanied by GRS report numbered GRS2005-101104, dated 17 October 2005, stating that the 4.09 carat ruby is nature, of Burmese (Myanmar) origin, with no indication of thermal treatment


  376. 376
    Sotheby's | Oct-2006 | Hong Kong | Lot 1354, Another Property Sapphire and Diamond Necklace | GRS2006-030494T

    Composed of nineteen tumbled sapphires together weighing 160.04 carats, each within millegrain pavé-set circular-cut diamond borders, to a similarly-set diamond clasp, the diamonds together weighing approximately 5.05 carats, mounted in platinum, length approximately 395 mm.
    Accompanied by GRS report numbered GRS2006-030494T, dated 24 March 2006, stating that the sapphires are nature, of Burmese (Myanmar) origin, with no indication of thermal treatment. Further accompanied by an appendix with weight and dimensions of each stone


  377. 377
    Sotheby's | Oct-2006 | Hong Kong | Lot 1388, Sapphire and Diamond Ring | GRS2005-060526T

    Set with an emerald-cut sapphire weighing 16.22 carats, flanked by trapeze-shaped diamonds, to the tapered shoulders accented by baguette diamonds, the diamonds together weighing approximately 2.00 carats, mounted in 18 karat white gold. Ring size : 5½
    Accompanied by GRS report numbered GRS2005-060526T, dated 29 June 2005, stating that the 16.22 carat sapphire is nature, of Burmese (Myanmar) origin, with no indication of thermal treatment


  378. 378
    Sotheby's | Oct-2006 | Hong Kong | Lot 1445, Star Sapphire and Diamond Ring | GRS2006-020497

    Centring on an oval cabochon star sapphire weighing 8.71 carats, framed by brilliant-cut diamonds, to the similarly-set tapered shoulders, mounted in 18 karat white gold, stamped ‘MY’ for Michael Youssoufian. Ring size : 5½
    Accompanied by GRS report numbered GRS2006-020497, dated 10th February 2006, stating that the 8.71 carat star sapphire is nature, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  379. 379
    Sotheby's | Oct-2006 | Hong Kong | Lot 1471, Another Property Star Ruby and Diamond Ring | GRS2006-082659

    Centring on an oval cabochon star ruby weighing 5.40 carats, to a cluster surround punctuated with yellow diamonds, embellished by pavé-set brilliant-cut diamond ribbon motifs, to a similarly-set double shank, mounted in 18 karat white and yellow gold. Ring size : 5¼
    Accompanied by GRS report numbered GRS2006-082659, dated 30 August 2006, stating that the 5.40 carat star ruby is nature, of Burmese (Myanmar) origin, with no indication of thermal treatment


  380. 380
    Sotheby's | Oct-2006 | Hong Kong | Lot 1486, Emerald and Diamond Ring | GRS2006-061525

    Centring on a square step-cut emerald weighing 10.35 carats, surrounded by brilliant-cut diamonds, within a pierced diamond-set gallery, the diamonds together weighing approximately 1.30 carats, mounted in 18 karat yellow gold and platinum. Ring size : 5½
    Accompanied by GRS report numbered GRS2006-061525, dated 24 June 2006, stating that the 10.35 carat emerald is nature, of Colombian origin, with insignificant clarity enhancement


  381. 381
    Sotheby's | Oct-2006 | Hong Kong | Lot 1531, Pair of Ruby and Diamond Pendent Earrings | GRS2004-020424

    Each set with an oval ruby weighing 2.24 and 2.06 carats, decorated by pear-shaped rose-cut diamond edges, supported to a diamond-set surmount, the diamonds together weighing approximately 1.85 carats, mounted in 18 karat white gold.
    Accompanied by GRS report numbered GRS2004-020424, dated 5 February 2004, stating that the 2.24 and 2.06 carat rubies are nature, of Burmese (Myanmar) origin, with no indication of thermal treatment


  382. 382
    Sotheby's | Oct-2006 | Hong Kong | Lot 1565, Elegant Ruby and Diamond Necklace and Pair of Matching Pendent Earrings | GRS2005-1105745, 110574

    The flexible necklace decorated with twenty floral clusters set at intervals composed of cushion-shaped rubies within brilliant-cut diamond surrounds, supporting a pendent to the front further accentuated by marquise-shaped diamonds, length approximately 400 mm; and a pair of matching pendent earrings en suite; the rubies altogether weighing 47.71 carats and diamonds approximately 20.60 carats, mounted in 18 karat white and yellow gold.
    Accompanied by GRS report numbered GRS2005-110575 and GRS2005-110574, dated 15 November 2005, stating that all the rubies are nature, of Burmese (Myanmar) origin, with no indication of thermal treatment


  383. 383
    Sotheby's | Oct-2006 | New York | Lot 68, Pair of Sapphire and Diamond Earclips | GRS2005-110219T

    Set with 2 cushion-shaped sapphires weighing 5.54 and 4.99 carats respectively, anchored by 10 pear-shaped diamonds, mounted in platinum.
    Accompanied by GRS report no. 2005-110219T stating that the 5.54 carat sapphire is of Sri Lanka origin, no indication of thermal treatment.


  384. 384
    Christie's | Oct-2006 | New York | Lot 278, An Emerald and Diamond Ring | GRS2000-12260

    Set with a rectangular-cut emerald, weighing approximately 14.63 carats, flanked on either side by trillion-cut diamonds, mounted platinum and 18k gold
    With report GRS2000-12260 dated 19 December 2000 from the GRS GemResearch SwissLab stating that gemmological testing revealed characteristics corresponding to those a natural emerald from Colombia. Clarity enhancement: None


  385. 385
    Christie's | Oct-2006 | New York | Lot 292, A Sapphire and Diamond Ring | GRS2002-11011

    Set with an oval-cut sapphire, weighing approximately 10.83 carats, within a blue enamelled and old European-cut diamond bombé gallery and shoulders, mounted in 18k white gold
    With report GRS2002-11011 dated 1 November 2002 from the GRS GemResearch SwissLab stating that gemmological testing revealed characteristics corresponding to those of a natural sapphire from Sri Lanka. No indications of thermal treatment.


  386. 386
    Sotheby's | Oct-2006 | London | Lot 239, Aquamarine and Diamond Ring | GRS2006-021570

    Centring on a step-cut aquamarine weighing 17.10 carats between millegrain-set stepped brilliant-cut diamond shoulders, size L.
    Accompanied by a report from the GRS, no. 021570, stating that the aquamarine is natural.


  387. 387
    Sotheby's | Oct-2006 | London | Lot 43, Sapphire and Diamond Ring | GRS2006-021428

    Centring on a step-cut sapphire weighing 7.54 carats between stepped baguette shoulders, size M ¾.
    Accompanied by a report form the GRS, no. 021428, stating that the natural sapphire presents evidence of heat treatment.


  388. 388
    Sotheby's | Oct-2006 | London | Lot 148, Pair of Peridot and Diamond Ear Pendants | GRS2006-030727

    Each surmount designed as a line of brilliant-cut and baguette diamonds, suspending a facetted pear-shaped peridot drop, weighing 7.39 and 6.90 carats respectively.
    Accompanied by a report from the GRS, no. 030727, stating that the natural peridots are of Burmese origin.


  389. 389
    Sotheby's | Oct-2006 | London | Lot 222, Rubellite and Diamond Necklace | GRS2006-021430

    Centring on a heart-shaped rubellite weighing 24.99 carats to a millegrain and pavé-set border of brilliant-cut diamonds, on two fine chains, length approximately 430mm.
    Accompanied by a report from the GRS, no. 021430, stating that the purple-red tourmaline (rubellite) is natural.


  390. 390
    Sotheby's | Oct-2006 | London | Lot 221, Rubellite and Diamond Necklace | GRS2006-021569

    Designed as a drop pendant, centring on a pear-shaped rubellite weighing 13.26 carats to scalloped surrounds and a surmount millegrain-set with brilliant-cut diamonds, on a trace link chain, length approximately 430mm.
    Accompanied by a report from the GRS, no. 021569, stating that the natural rubellite (purplish/red tourmaline) presents evidence of heat treatment


  391. 391
    Sotheby's | Nov-2006 | Geneva | Lot 87, Ruby and Diamond Bracelet | GRS2006-062009

    Designed as a line of oval and circular-cut rubies interspersed with baguette diamonds, mounted in platinum, length 180mm.
    Accompanied by GRS report no. GRS2006-062009 stating that the rubies are of Burmese origin, with no indication of thermal treatment.


  392. 392
    Sotheby's | Nov-2006 | Geneva | Lot 248, Ruby and Diamond Ring | GRS2004-050325T

    Set with an oval ruby weighing 5.28 carats, within a border of brilliant-cut diamonds, mounted in platinum, size 54.

    Accompanied by GRS report no. GRS2004-050325T stating that the ruby is of Burmese origin, with no indication of thermal treatment.


  393. 393
    Sotheby's | Nov-2006 | Geneva | Lot 135, Sapphire and Diamond Ring | GRS2006-081069

    Set with a cushion-shaped sapphire weighing 5.63 carats, within a border of brilliant-cut diamonds, mounted in platinum, size 52.

    Accompanied by GRS report no. GRS2006-081069 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  394. 394
    Sotheby's | Nov-2006 | Geneva | Lot 154, Attractive Sapphire and Diamond Ring | GRS2006-020498

    Claw-set with a cushion-shaped sapphire weighing 22.10 carats within a brilliant-cut diamond border, mounted in white gold, size 52.

    Accompanied by GRS report no. GRS2006-020498 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  395. 395
    Sotheby's | Nov-2006 | Geneva | Lot 146, Ruby and Diamond Ring | GRS2005-120780

    Set with an oval ruby weighing 3.40 carats within a brilliant-cut and pear-shaped diamond surround and shoulders, mounted in platinum, size 52.

    Accompanied by GRS report no. GRS2005-120780 stating that the ruby is of Burmese origin, with no indication of thermal treatment.


  396. 396
    Sotheby's | Nov-2006 | Geneva | Lot 65, Ruby and Diamond Ring | GRS2005-020403

    Set with an oval ruby weighing 3.00 carats, within a double border and crossover shoulders set with brilliant-cut diamonds, mounted in yellow gold, size 53.

    Accompanied by GRS report no. GRS2005-020403 stating that the ruby is of Burmese origin, with no indication of thermal treatment.


  397. 397
    Sotheby's | Nov-2006 | Geneva | Lot 391, Pair of Ruby and Diamond Earrings | GRS2003-100569 & 2004-090725

    Each of cluster design, set at the centre with an oval ruby weighing respectively 5.02 and 5.12 carats, bordered by brilliant-cut diamonds.

    ccompanied by two GRS reports nos. GRS 2003-100569 and 2004-090725 stating that both rubies are of Burmese origin, with no indication of heat.


  398. 398
    Sotheby's | Nov-2006 | Geneva | Lot 440, Very Fine and Important Ruby and Diamond Ring | GRS2005-091135

    Claw-set with a cushion-shaped ruby weighing 9.24 carats, between shield-shaped diamond shoulders, mounted in platinum and yellow gold, size 52.

    Accompanied by GRS report no. GRS2005-091135, stating that the ruby is of Burmese origin, with no indications of heating.


  399. 399
    Christie's | Nov-2006 | Geneva | Lot 550, A Multi-Coloured Sapphire and Diamond Bracelet | 2005-010682, 2006-011101, 2006-011382, 2005-101649, 2006-011384, 2006-011380, 2005-021074, 2006-011378, 2006-011383, 2006-011379

    A Multi-Coloured Sapphire and Diamond Bracelet
    Designed as eleven oval-shaped blue, pink, green, pink-orange, yellow and purple sapphires to the princess-cut diamond spacers, 17.5 cm long
    Accompanied by ten reports from the GRS GemResearchSwisslab stating that none of the coloured sapphires show indications of thermal enhancement/heating and with the following details:

    GRS2005-010682 10 January 05 violetish-blue to purple (colour change) 4.24 Sri Lanka
    GRS2006-011101 28 January 06 pink 5.75 Burma
    GRS2006-011382 28 January 06 greenish-blue 5.22 Burma (Mogok, Pyen Pit)
    GRS2005-101649 2 November 05 pink-orange (‘padparadscha’) 4.72 Sri Lanka
    GRS2006-011384 28 January 06 yellow 4.50 Burma
    GRS2006-011380 28 January 06 greenish-blue 7.58 Burma (Mogok, Pyen Pit)
    GRS2005-021074 25 February 05 yellow 5.28 Sri Lanka
    GRS2006-011378 28 January 06 blue 6.17 Burma
    GRS2006-011383 28 January 06 pink 5.41 Burma
    GRS2006-011379 28 January 06 blue 3.92 Burma


  400. 400
    Sotheby's | Nov-2006 | Amsterdam | Lot 171, An Aquamarine and Diamond Pendent Necklace | GRS2006-010713

    The three collet-set diamonds suspending a pear-shaped aquamarine bordered by millegrain-set brilliant-cut diamonds, on a fine chain, accompanied by a GRS Report no. GRS2006-010713, stating the natural pear-shaped aquamarine to be weighing 10.83 carats, application of heat undeterminable, length approximately 45.5 cm


  401. 401
    Christie's | Nov-2006 | Hong Kong | Lot 3046, An Exquisite Pair of Ruby and Diamond Ear Pendants | GRS2002-06013

    Each designed as a rose-cut ruby weighing 4.82 and 5.18 carats within a half-moon-cut ruby surround accented by brilliant-cut diamond detail suspended by a diamond hook, mounted in gold and 18k white gold, 3.4 cm long

    With report no. GRS2002-06013 dated 3 June 2002 from the GemResearch SwissLab stating that the 5.18 carat ruby is of Burmese origin, with no indication of thermal enhancement


  402. 402
    Christie's | Nov-2006 | Hong Kong | Lot 2743, A Ruby and Diamond Necklace | GRS2006-020528

    Designed as a graduated oval-shaped ruby and rose-cut diamond fringe to the baguette-cut diamond line and an oval-shaped ruby clasp, further enhanced by brilliant-cut diamond detail, mounted in platinum, 41.0 cm long

    With report no. GRS2006-020528 dated 8 February 2006 from the GemResearch SwissLab stating that the twelve oval-shaped rubies are of Burmese origin, with no indication of thermal treatment


  403. 403
    Christie's | Nov-2006 | Hong Kong | Lot 2798, A Yellow Sapphire and Diamond Necklace | GRS2002-11620

    Set with a cut-cornered rectangular-cut sapphire weighing 63.59 carats within the diamond surround and gallery, to the diamond hoop and detachable twin-row diamond collet neckchain, mounted in 18k white gold, 41.0 cm long

    With report no. GRS2002-11620 dated 19 November 2002 from the GemResearch SwissLab stating that the yellow sapphire is of Burmese origin, with no indication of thermal treatment


  404. 404
    Christie's | Nov-2006 | Hong Kong | Lot 2673, A Ruby, Diamond and Gold Bracelet | GRS2005-101061

    Designed as six articulated textured gold openwork links, each decorated by cabochon ruby fruits and diamond leaves, mounted in platinum and 18k gold, 17.0 cm long

    With report no. GRS2005-101061 dated 13 October 2005 from the GemResearch SwissLab stating that the eighteen rubies are of Burmese origin, with no indication of thermal treatment nor clarity features enhancement


  405. 405
    Christie's | Nov-2006 | Hong Kong | Lot 2748, A Ruby and Diamond Ring | GRS2006-040644

    Set with a rectangular-cut ruby weighing 18.73 carats to the brilliant and marquise-cut diamond borders and shoulders, mounted in 18k white gold, ring size 5¾

    With report no. GRS2006-040644 dated 12 April 2006 from the GRS GemResearch SwissLab stating that the ruby is of Burmese origin, enhanced by heat with insignificant residues


  406. 406
    Christie's | Nov-2006 | Hong Kong | Lot 2738, A Ruby and Diamond Bracelet | GRS2006-070938

    Designed as six cushion-shaped rubies, each within a diamond surround spaced by brilliant-cut diamonds to the diamond links, mounted in 18k white gold, 19.5 cm long

    With report no. GRS2006-070938 dated 17 July 2006 from the GemResearch SwissLab stating that the six rubies are of Burmese origin, one with heat treatment and the remaining five with no indication of thermal treatment


  407. 407
    Christie's | Nov-2006 | Hong Kong | Lot 3003, A Star Ruby and Natural Pearl Ring | GRS2006-031275

    Centering upon a star ruby weighing 5.85 carats flanked on either side by natural pearls with diamond detail, mounted in pink gold, ring size 6

    With report no. GRS2006-031275 dated 20 March 2006 from the GemResearch SwissLab stating that the star ruby is of Burmese origin, with no indication of thermal treatment


  408. 408
    Christie's | Nov-2006 | Hong Kong | Lot 2746, A Ruby and Diamond Ring | GRS2006-080097T

    Set with an oval-shaped ruby weighing 20.44 carats, to the diamond openwork gallery and shoulders, mounted in 18k gold, ring size 4¾

    With report no. GRS2006-080097T dated 10 August 2006 from the GemResearch SwissLab stating that the ruby is natural, enhanced by heat with insignificant residues


  409. 409
    Christie's | Nov-2006 | Hong Kong | Lot 2736, A Ruby and Diamond Ring | GRS2006-011155

    Set with a cushion-shaped ruby weighing 5.36 carats within a brilliant-cut diamond surround to a plain platinum hoop, ring size 6

    With report no. GRS2006-011155 dated 21 January 2006 from the GemResearch SwissLab stating that the ruby is of Burmese origin, enhanced by heat with insignificant residues


  410. 410
    Christie's | Nov-2006 | Hong Kong | Lot 2744, A Pair of Ruby and Diamond Ear Pendants | GRS2006-081479

    Each designed as an oval-shaped ruby within a diamond surround, suspending three rose-cut diamond fringes to a rose-cut diamond top, mounted in platinum, 4.5 cm long

    With report no. GRS2006-081479 dated 15 August 2006 from the GemResearch SwissLab stating that the two rubies are of Burmese origin, with no indication of thermal treatment


  411. 411
    Christie's | Nov-2006 | Hong Kong | Lot 2734, A Ruby and Diamond Ring | GRS2004-060854

    Set with an oval-shaped ruby weighing 3.04 carats within a marquise-cut diamond surround with yellow brilliant-cut diamond detail, mounted in platinum, ring size 5¾

    With report no. GRS2004-060854 dated 14 June 2004 from the GemResearch SwissLab stating that the ruby is of Burmese origin (GRS type ‘pigeon’s blood’), with no indication of thermal treatment


  412. 412
    Christie's | Nov-2006 | Hong Kong | Lot 2742, A Ruby and Diamond Ring | GRS2005-040940

    Set with an oval-shaped ruby weighing 7.54 carats within a brilliant-cut diamond surround to the diamond openwork shoulders, mounted in white gold, ring size 5¼

    With report no. GRS2005-040940 dated 22 April 2005 from the GemResearch SwissLab stating that the ruby is of Burmese origin, with no indication of thermal treatment


  413. 413
    Sotheby's | Dec-2006 | New York | Lot 41, Ruby and Diamond Ring | 9811040

    The heart-shaped ruby weighing 3.07 carats, flanked by 6 round diamonds, mounted in 18 karat white gold, size 5¾.

    Accompanied by GRS report no. 9811040 stating that the ruby is of Burmese origin.


  414. 414
    Sotheby's | Dec-2006 | New York | Lot 67, Ruby, Sapphire and Diamond Torsade Bracelet, French, Circa 1930 | GRS2005-070442

    Composed of three strands of ruby beads and three strands of sapphire beads, the domed clasp set with round, single-cut and baguette diamonds and studded with round cabochon sapphires, centering a cushion-shaped ruby weighing 1.46 carats, the clasp flanked by arched rows of calibré-cut buff-top rubies and onyxes, mounted in platinum, total length approximately 8 inches, French assay marks.

    Accompanied by GRS report no. 2005-070442 stating that the ruby is of Burmese origin; no indication of thermal treatment.


  415. 415
    Sotheby's | Dec-2006 | Milan | Lot 499, Gold, Sapphire and Diamond Ring | GRS2005-060594T

    decorato al centro con uno zaffiro taglio ovale affiancato da diamanti di taglio fantasia

    punzone dell’oro, accompagnato da certificato GRS del 30.06.2005 n° GRS2005-060594T stabilisce che la pietra è di origine Burma (Myanmar) e non mostra segni di riscaldamento


  416. 416
    Sotheby's | Dec-2006 | London | Lot 57, Sapphire and Diamond Ring | GRS2006-030630

    Centring on a facetted oval sapphire weighing 6.32 carats, between demi-lune shaped diamond shoulders, size N.

    Accompanied by a reports from GRS, no. GRS2006-030630, stating that the natural sapphire presents no evidence of heat treatment.


  417. 417
    Bonhams | Dec-2006 | Los Angeles | Lot 742, An Unmounted Natural Alexandrite | GRS2006-080063T

    The circular-cut alexandrite weighing 1.19 carats.

    Accompanied by GRS Gemresearch Swisslab report #GRS2006-080063T, dated August 31, 2006, stating: Natural Alexandrite, Prominent color change from green to purplish-red, No traces of radioactivity detected, No evidence of enhancements.


  418. 418
    Bonhams | Dec-2006 | Los Angeles | Lot 41, A Burmese Ruby and Diamond Ring | GRS2005-030598

    The oval cabochon ruby, weighing 7.05 carats, within an openwork braided mount of round brilliant-cut diamonds; mounted in eighteen karat bicolor gold; size 6

    Accompanied by GRS (Gem Research Swisslab) report #GRS2005-030598, dated March 12, 2005, stating: natural ruby, Burmese (Myanmar) origin, no surface cavity fillings.


  419. 419
    Christie's | Feb-2007 | St. Moritz | Lot 0188, A Sapphire and Diamond Suite | 17 Reports

    A SAPPHIRE AND DIAMOND SUITE
    The necklace designed as a graduated line of sapphire and diamond clusters with foliate diamond links, ear pendants en suite, comprising seventeen cushion to oval-shaped sapphires with a total weight of 91.58 carats, necklace 43.5 cm, ear pendants 4.8 cm long
    Accompanied by seventeen reports from the GRS GemResearch Swisslab stating that the sapphires are of Sri Lankan origin, no indications of thermal enhancement and with the following further details

    Report no. Date Weight Cut
    GRS2005-050087T 17 May 2005 8.65 cushion
    GRS2005-050091T 17 May 2005 6.92 cushion
    GRS2005-050085T 17 May 2005 6.84 cushion
    GRS2005-050090T 17 May 2005 6.64 cushion
    GRS2005-050079T 17 May 2005 6.59 oval
    GRS2005-050089T 17 May 2005 6.50 cushion
    GRS2005-050084T 17 May 2005 6.19 cushion
    GRS2005-050077T 18 May 2005 6.06 oval
    GRS2005-050075T 18 May 2005 5.96 oval
    GRS2005-050080T 17 May 2005 5.70 cushion
    GRS2005-050078T 18 May 2005 5.45 oval
    GRS2005-050074T 18 May 2005 5.37 oval
    GRS2005-050076T 18 May 2005 5.02 oval
    GRS2005-050073T 18 May 2005 4.50 oval
    GRS2005-050082T 17 May 2005 4.32 cushion
    GRS2005-050092T 17 May 2005 3.54 cushion
    GRS2005-050086T 17 May 2005 3.29 cushion (2)


  420. 420
    Christie's | Feb-2007 | St. Moritz | Lot 0212, A Pair of Ruby and Diamond Ear Clips | GRS2004-090727 and 090728

    A PAIR OF RUBY AND DIAMOND EAR CLIPS
    Each set with an oval-shaped ruby weighing 3.51 and 3.22 carats within a marquise-cut diamond cluster surround, mounted in 14k white gold, 2.5 cm long
    Accompanied by report nos. GRS2004-090727 and GRS2004-090728 dated 9 September 2004 from the GRS GemResearch Swisslab stating that the rubies are of Burmese origin, no indications of thermal enhancement

    According to the reports, the colour of the rubies would be classified as vivid red (GRS type “pigeon’s blood”)


  421. 421
    Sotheby's | Mar-2007 | London | Lot 111, SAPPHIRE AND DIAMOND RING | GRS2006-021429

    Centring on a step-cut sapphire stated to weigh 5.33 carats between graduated baguette diamond shoulders, size M.

    Accompanied GRS report no. GRS2006-021429, stating that the natural sapphire weighing 5.33 carats presents no evidence of heat treatment.


  422. 422
    Sotheby's | Mar-2007 | London | Lot 124, Sapphire and Diamond Ring | GRS2006-123153

    Designed as a cluster, centring on a cushion-shaped sapphire weighing 5.04 carats within surrounds of brilliant-cut diamonds, size O.

    Accompanied by a report from the GRS, no. GRS2006-123153, stating that the natural sapphire weighing 5.04 carats is unheated and originates from Burma (Myanmar).


  423. 423
    Sotheby's | Apr-2007 | Hong Kong | Lot 1819, Important and Rare Pair of Ruby and Diamond Pendent Earrings | GRS2006-021099

    Each suspending a cushion-shaped ruby weighing 7.01 carats, surmounted by an oval ruby weighing 2.04 and 2.05 carats respectively, framed by brilliant-cut diamonds altogether weighing approximately 8.90 carats, mounted in 18 karat white and yellow gold.

    Accompanied by Gübelin report numbered 0606526, dated 3 July 2006, stating that all the rubies with a total weight of 18.11 carats are natural, of Burmese (Myanmar) origin, with no indications of heating. This colour variety of ruby may also be called “pigeon’s blood red” in the trade. The appendix stating the natural rubies “possess a richly saturated and homogeneous colour, combined with a high degree of transparency, and a finely proportioned cut. In addition, these remarkable gemstones have been spared of thermal treatment. Such a combination of characteristics is rare in natural Burmese rubies.” Also accompanied by GRS report numbered GRS2006-021099 (Award No 207).


  424. 424
    Sotheby's | Apr-2007 | Hong Kong | Lot 1652, Red Spinel, Yellow Diamond and Diamond Pendant | GRS2006-112372

    The cushion-shaped red spinel weighing 19.27 carats, set within a pavé-set brilliant-cut diamond double frame, accentuated by eight circular-cut yellow diamonds, supported by a pendant bail embedded with a pear-shaped diamond, the diamonds together weighing approximately 1.45 carats, mounted in 18 karat white and yellow gold, accompanied by a link chain, length approximately 430mm.

    Accompanied by GRS report numbered GRS2006-112372, dated 22 November 2006, stating that the 19.27 carat spinel is natural, red colour, with no indication of treatments.


  425. 425
    Sotheby's | Apr-2007 | New York | Lot 136, Sapphire and Diamond Ring | GRS2006-081068

    Set with a cushion-shaped sapphire weighing 10.02 carats, framed by small round diamonds weighing approximately 1.00 carat, mounted in 18 karat white gold, size 6¼.

    Accompanied by GRS report no. 2006-081068 stating that the sapphire is of Burmese origin; no indication of thermal treatment.


  426. 426
    Sotheby's | Apr-2007 | New York | Lot 435, Platinum, Sapphire, Tourmaline and Diamond Ring | -

    1 sapphire weighs 5.02 cts, with GRS report stating natural sapphire, Sri Lankan origin, no indication of thermal treatment, size 6 1/2 .


  427. 427
    Christie's | Apr-2007 | London | Lot 121, An emerald and diamond ring | GRS2006-123152

    The square-cut emerald,weighing 11.51 carats between brilliant-cut diamond three stone cluster shoulders, to an openwork gallery and plain hoop
    Accompanied by report no. GRS2006-123152, dated 22nd December 2006, from the Gem Research Swiss Lab, Switzerland, stating that the emerald weighing 11.51 carats is of Colombian origin with evidence of minor clarity enhancement


  428. 428
    Christie's | Apr-2007 | New York | Lot 106, A Ruby and Diamond Ring, by Nardi | GRS2005-050977

    Set with a cut-cornered modified rectangular-cut ruby, weighing approximately 5.01 carats, flanked on either side by a half moon-cut diamond, to the circular-cut diamond half-hoop, mounted in platinum and 18k gold, with maker’s mark
    Signed Nardi, nos. 064 and 501
    With report GRS2005-050977 dated 25 May 2005 from the GRS GemResearch Swisslab stating that gemmological testing revealed characteristics corresponding to those of a natural ruby from Burma (Myanmar). Enhanced by heat, minor residues are present (within fissures only)


  429. 429
    Christie's | May-2007 | Geneva | Lot 14, A Sapphire and Diamond Foliate Brooch | GRS2006-110905

    Designed as a leaf set with oval-shaped sapphires and rose-cut diamonds to the pavé-set diamond sprig, mounted in 18k white gold, 7.0 cm long
    The total weight of the sapphires is 33.97 carats
    Accompanied by report no. GRS2006-110905 dated 9 November 2006 from the Gem Research Swisslab stating that the sapphires are of Burmese origin, no indication of thermal treatment

    According to the GRS the sapphires are blue to vivid blue colour (GRS type “royal blue”)


  430. 430
    Christie's | May-2007 | Geneva | Lot 200, A Pair of Ruby and Diamond Ear Clips | GRS2003-02484

    Each set with an oval-shaped ruby weighing 4.03 carats each within an oval-shaped diamond cluster surround, 1.5 cm long
    Accompanied by report no. GRS2003-02484 dated 15 February 2003 from the GemResearch Swisslab stating that the rubies are of Burmese origin, enhanced by heat, with insignificant residues in fissures only


  431. 431
    Christie's | May-2007 | Hong Kong | Lot 2101, A Pair of Ruby and Diamond Ear Pendants | GRS2007-032701

    Each set with a pear-shaped. ruby weighing 5.03 and 5.61 carats within a diamond surround. suspended by a line: of cushion-shaped ruby and diamond beads to a brilliant-cut diamond tops mounted in 18k white and yellow gold, 4.7 cm long

    With report- no. GRS2007-032701 dated 23 March 2007 from the GemResearch SwissLab stating that all four rubies are of Burmese origin with no indication of thermal enhancement


  432. 432
    Christie's | May-2007 | Hong Kong | Lot 2041, A Star Ruby and Diamond Ring | GRS2005-101050

    Set with a heart-shaped cabochon star ruby weighing 3.97 carats within a pink diamond scroll surround, mounted in 18k pink gold, ring size 5 3/4

    With report no. GRS2005- 101050 dated 13 October 2005 from the GemResearch SwissLab stating that the star ruby is of Burmese origin, with no indication o,f thermal treatment


  433. 433
    Christie's | May-2007 | Hong Kong | Lot 1849, A Star Ruby and Diamond Ring | GRS2007-021122

    Centering upon a star ruby weighing 6.10 carats within a smaller star ruby surround to the brilliant-cut diamond shoulders, mounted in platinum, ring size 6 1/2

    With report no. GRS2007-021122 dated 16 February 2007 from the GemResearch SwissLab stating that all nine star rubies are of Burmese origin, with no indication of thermal treatment


  434. 434
    Christie's | May-2007 | Hong Kong | Lot 1922, A Pink Sapphire and Diamond Ring | GRS2006-020527

    Centering upon an oval-shaped pink sapphire weighing 13.03 carats within a brilliant-cut diamond surround, mounted in platinum, ring size 6

    With report no. GRS2006-020527 dated 8 February 2006 from the GemResearch SwissLab stating that the pink sapphire has no indication ofthermal treatment


  435. 435
    Christie's | May-2007 | Hong Kong | Lot 2042, A Star Ruby and Diamond Ring | GRS2006-070551

    Centering upon a star ruby weighing 7.99 carats within a diamond briolette surround, to the diamond shoulders, mounted in 18k white and pink gold, ring size 5

    With report no. GRS2006-070551 dated 3 July 2006from the GemResearch SwissLab stating that th star ruby is of Burmese origin, with no indication of thermal treatment


  436. 436
    Christie's | May-2007 | Hong Kong | Lot 2043, A Pair of Star Sapphire, Star Ruby and Diamond Ear Pendants | GRS2004-050309T, GRS2005-060207T

    Each set with a star sapphire or a star ruby weighing 6.70 and 7.17 carats within a diamond bead surround to a diamond surmount, mounted in 18k white gold, 2.9 cm long

    With report no. GRS2004-050309T dated 26 May 2004 from the GemResearch SwissLab stating that the 6.70 carat star sapphire is of Burmese origin, with no indication of thermal treatment

    With report no. GRS2005-060207T dated 18 June 2005 from the GemResearch SwissLab stating that the 7.17 carat star ruby is of Burmese origin, with no indication of thermal treatment


  437. 437
    Christie's | May-2007 | Hong Kong | Lot 2090, A Set of Ruby and Diamond Jewellery | GRS2007-032680, GRS2007-032681

    Comprising a ring, centering upon an oval-shaped ruby weighing 3.23 carats within an old cushion-shaped diamond surround, and a pair of ear pendants en suite, mounted in 18k white and yellow gold, ring size 5 3/4, ear pendants 3.2 cm long

    With report no. GRS2007-032680 dated 21 March 2007 from the GemResearch SwissLab stating that the 3.23 carat ruby is of Burmese origin, with no indication of thermal treatment

    With report no. GRS2007-032681 dated 21 March 2007 from the GemResearch SwissLab stating that the 2.88 and 3.15 carat rubies are both Burmese origin, with no indication ofthermal treatment


  438. 438
    Christie's | May-2007 | Hong Kong | Lot 2097, A Ruby and Diamond Ring | GRS2005-060554

    Set with an oval-shaped ruby weighing 4.10 carats flanked on either side by trapeze-shaped diamonds, mounted in 18 k white gold, ring size 5 1/4

    With report no. GRS2005-060554 dated l June 2005 from the GemResearch SwissLab stating that the ruby is of Burmese origin (GRS type ‘pigeon’s blood’) with no indication of thermal treatment


  439. 439
    Christie's | May-2007 | Hong Kong | Lot 2102, A Pair of Sapphire and Diamond Ear Clips | GRS2006-112178

    Each centering upon a cushion-shaped sapphire weighing 12.91 and 13.92 carats within a brilliant-cut diamond surround, mounted in platinum

    With report no. GRS2006-112178 dated 25 November 2006 from the GemResearch SwissLab stating that both sapphires are of Sri Lankan origin, (GRS type ‘royal blue’), enhanced by heat with no residues present


  440. 440
    Christie's | May-2007 | Hong Kong | Lot 2103, A Sapphire and Diamond Ring | GRS2005-101175

    Set with a cushion-shaped sapphire weighing 20.28 carats within a brilliant-cut diamond surround, mounted in platinum, ring size 6

    With report no. GRS2005-101175 dated 14 October 2005 from the GemResearch SwissLab stating that the sapphire is enhanced by heat with no residues present (GRS type royal blue)


  441. 441
    Sotheby's | May-2007 | Geneva | Lot 67, Spinel and Diamond Ring | GRS2007-020870

    Set with an oval red spinel weighing 21.27 carats, the shoulders highlighted with brilliant-cut diamonds, mounted in white gold, size 51.

    Accompanied by GRS report no. GRS2007-020870 stating that the spinel is of Burmese origin, with no indication of treatments.


  442. 442
    Sotheby's | May-2007 | Geneva | Lot 84, Ruby and Diamond Ring, Bulgari | GRS2003-101172

    Set with a cushion-shaped ruby weighing 5.06 carats, the bombé mount partly pavé-set with brilliant-cut diamonds, and decorated with baguette diamond shoulders, mounted in platinum, size 53,
    signed Bulgari.

    Accompanied by GRS report no. GRS2003-101172 stating that the ruby is of Burmese origin, with no indication of thermal treatment.


  443. 443
    Sotheby's | May-2007 | Geneva | Lot 115, Alexandrite and Diamond Pendant | GRS2006-081099

    The triangular alexandrite weighing 5.53 carats bordered by brilliant-cut diamonds, suspended from a line of pear-shaped stones, to a fine chain spectacle-set with brilliant-cut diamonds, mounted in white gold,
    ength 400mm.

    Accompanied by GRS report no. GRS2006-081099, stating that the alexandrite is colour-changing from bluish-green (daylight) to purple-red (incandescent light), with no traces of radioactivity detected.


  444. 444
    Sotheby's | May-2007 | Geneva | Lot 174, Colour Change Sapphire and Diamond Ring | GRS2006-071192

    Set with an oval colour-change violet sapphire weighing 15.90 carats, the shoulders highlighted with single-cut diamonds, mounted in platinum, size 51.

    Accompanied by GRS report no. GRS2006-071192 stating that the sapphire’s colour changes from violet in daylight to purple in incandescent light, with no indication of thermal treatment.


  445. 445
    Sotheby's | Oct-2007 | New York | Lot 134, Ruby and Diamond Necklace | 2005-020237T

    Designed as a flexible, undulating branch of flowers and buds set with 51 cushion-shaped and pear-shaped rubies weighing approximately 86.00 carats and with 23 full rose-cut diamonds of round, cushion and pear shape, as well as numerous round brilliant-cut diamonds, weighing a total of approximately 21.75 carats, mounted in platinum, length 17 inches.

    Accompanied by GRS report no. 2005-020237T stating that the rubies are of Burmese origin; no indication of thermal treatment.


  446. 446
    Sotheby's | Oct-2007 | Hong Kong | Lot 827, Pair of Ruby and Diamond Pendent Earrings | GRS2007-062704

    Each suspending a cluster of pear-shaped cabochon ruby drops, supported by a diamond-set rondelle, to a simple hook decorated with rose-cut and brilliant-cut diamonds, anchored by a briolette diamond, the rubies and diamonds altogether weighing approximately 26.27 and 2.20 carats respectively, mounted in 18 karat white gold.

    Accompanied by GRS report numbered GRS2007-062704, dated 25 June 2007, stating that the twenty-eight rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  447. 447
    Sotheby's | Oct-2007 | Hong Kong | Lot 828, Ruby and Diamond Bracelet | GRS2007-062703

    The flexible strap set with sixty-three pear-shaped cabochon rubies together weighing approximately 85.11 carats, interspersed by brilliant-cut diamonds together weighing approximately 3.95 carats, mounted in 18 karat yellow and blackened gold, length approximately 160mm.

    Accompanied by GRS report numbered GRS2007-062703, dated 25 June 2007, stating that the sixty-three rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  448. 448
    Sotheby's | Oct-2007 | Hong Kong | Lot 839, Sapphire and Diamond Ring | GRS2005-100907

    The oval sapphire weighing 6.29 carats, flanked by two shield-shaped diamonds, mounted in 18 karat white gold.

    Ring size: 5 ¼

    Accompanied by GRS report numbered GRS2005-100907, dated 11 October 2005, stating that the 6.29 carat sapphire is natural, vivid blue (GRS type “royal blue”), with no indication of thermal treatment.


  449. 449
    Sotheby's | Oct-2007 | Hong Kong | Lot 893, Star Ruby, Pink Diamond and Diamond Ring | GRS2001-09478

    Centring on an oval cabochon star ruby weighing 5.54 carats, set on a pink diamond-set mount, embellished by a surround of loosely interlaced strands of brilliant-cut diamonds, the diamonds together weighing approximately 1.50 carats, mounted in 18 karat white and pink gold.

    Ring size: 6½

    Accompanied by GRS report numbered GRS2001-09478, dated 28 September 2001, stating that the 5.54 carat star ruby is natural, of Burmese (Mogok, Myanmar) origin, with no indications of thermal treatment.


  450. 450
    Sotheby's | Oct-2007 | Hong Kong | Lot 962, Emerald and Diamond Ring | GRS2005-061249

    Set with a step-cut emerald weighing 6.75 carats, flanked on each side by two baguette diamonds, mounted in 18 karat white gold.

    Ring size: 5½

    Accompanied by GRS report numbered GRS2005-061249, dated 29 June 2005, stating that the 6.75 carat emerald is natural, of Colombian origin, with no indications of clarity enhancement.


  451. 451
    Sotheby's | Oct-2007 | Hong Kong | Lot 972, Pair of Ruby and Diamond Ear Clips | GRS2006-082049, GRS2004-050417

    Of cluster design, each set with an oval ruby weighing 3.06 and 3.07 carats respectively, within a cluster surround of marquise- and pear-shaped diamonds altogether weighing 14.84 carats, mounted in platinum, clip and pendant fittings.

    Accompanied by GRS reports numbered GRS2006-082049 and GRS2004-050417, dated 31 August 2006 and 4 May 2004 respectively, stating that the 3.06 and 3.07 carat rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment, and GRS type ‘pigeon’s blood’ colour.


  452. 452
    Sotheby's | Oct-2007 | Hong Kong | Lot 1035, Cat's-eye Chrysoberyl and Diamond Ring | GRS2007-061967

    Centring on a cabochon cat’s-eye chrysoberyl weighing 22.21 carats, framed by brilliant-cut diamonds together weighing approximately 1.00 carat, mounted in 18 karat white gold.

    Ring size: 6

    Accompanied by GRS report numbered GRS2007-061967, dated 13 June 2007, stating that the 22.21 carat cat’s-eye chrysoberyl is natural, yellowish-green colour (GRS type “honey-color” in incandescent light), with no indication of treatments.


  453. 453
    Sotheby's | Oct-2007 | Hong Kong | Lot 1064, Spinel and Diamond Bracelet | GRS2007-062803

    Alternatively set with sixteen cushion-shaped pink and red spinels, within micro pavé-set brilliant-cut diamond frames, the pink and red spinels together weighing approximately 24.50 and 7.80 carats respectively, mounted in 18 karat yellow gold, length approximately 175mm, signed ‘Agaproff’.

    Accompanied by a GRS report numbered GRS2007-062803, dated 30 June 2007, stating that the sixteen spinels are natural, of pink and red colour, with no indication of treatments.


  454. 454
    Sotheby's | Oct-2007 | Hong Kong | Lot 1065, Tsavorite Garnet, Pink Sapphire and Diamond Ring | GRS2007-041659

    Centring on a brilliant-cut tsavorite garnet weighing 16.60 carats, set on a mount of bombé form, interspersed with inverted circular-cut pink sapphires together weighing approximately 5.90 carats and diamonds, mounted in 18 karat yellow gold, signed ‘Agapoff’.

    Ring size: 6 ¼

    Accompanied by GRS report numbered GRS2007-041659, dated 30 June 2007, stating that the 16.60 carat tsavorite garnet is natural, of “vibrant” green colour, with no indication of treatments. Special Comment: Rare combination of size, light to medium saturated pure color, excellent cut and brilliancy.


  455. 455
    Sotheby's | Oct-2007 | Hong Kong | Lot 1066, Pair of Spessartite Garnet, Demantoid Garnet and Diamond Pendent Earrings | GRS2007-063325

    Each suspending a pear-shaped spessartite garnet weighing 9.97 and 10.08 carats respectively, surmounted by a cushion-shaped demantoid garnet altogether weighing approximately 1.15 carats, delicately set within micro pavé-set brilliant-cut diamond frames, mounted in 18 karat yellow gold, signed ‘Agapoff’.

    Accompanied by GRS report numbered GRS2007-063325, dated 30 June 2007, stating that the 9.97 and 10.08 carat spessartite garnets are natural, of Vivid Yellow-Orange colour, with no indication of treatments.


  456. 456
    Sotheby's | Oct-2007 | Hong Kong | Lot 1070, Spessartite Garnet and Diamond Ring | GRS2007-063324

    Centring on a cushion-shaped spessartite garnet weighing 11.13 carats, surrounded by brilliant-cut diamonds, set on a finely weaved basket embellished with collet-set brilliant-cut diamonds, completed by a fancy shank, diamonds together weighing approximately 1.55 carats, mounted in 18 karat yellow gold, signed ‘Agapoff’.

    Ring size: 6¼

    Accompanied by GRS report numbered GRS2007-063324, dated 30 June 2007, stating that the 11.13 carat spessartite garnet is natural, of Vivid Orange-Yellow colour, with no indications of treatments.


  457. 457
    Sotheby's | Oct-2007 | Hong Kong | Lot 1075, Attractive Ruby and Diamond Necklace | GRS2007-032320

    The flexible scalloped edge necklace, set with oval rubies of graduated sizes, supporting swags of brilliant-cut diamonds, joined by floral motifs each centring on a step-cut ruby surrounded by half moon-shaped diamonds, the rubies and diamonds together weighing approximately 76.20 and 33.50 carats respectively, mounted in 18 karat white and yellow gold, length approximately 380mm.

    Accompanied by GRS report numbered GRS2007-032320, dated 19 March 2007, stating that the 66 rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  458. 458
    Sotheby's | Oct-2007 | Hong Kong | Lot 1036, Cat's-eye Alexandrite and Diamond Ring | GRS2006-050501

    The oval cabochon cat’s-eye alexandrite weighing 11.07 carats, set on a raised mount with brilliant-cut and tapered baguette diamonds, mounted in 18 karat white and yellow gold.

    Ring size: 8

    Accompanied by GRS report numbered GRS2006-050501, dated 16 June 2006, stating that the 11.07 carat alexandrite is natural, with no traces of radioactivity detected.


  459. 459
    Sotheby's | Oct-2007 | Hong Kong | Lot 1059, Pair of Yellow Sapphire and Diamond Pendent Earrings | GRS2003-03913, GRS2003-03914

    Each suspending an octagonal yellow sapphire weighing 41.50 and 49.13 carats respectively, surmounted and anchored by clusters composed of marquise-, pear-shaped and brilliant-cut diamonds, the diamonds altogether weighing approximately 8.40 carats, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS2003-03913 and GRS2003-03914, dated 24 March 2003, stating that the 49.13 and 41.50 carat sapphires are natural, of Sri Lankan origin, with no indication of thermal treatment.


  460. 460
    Christie's | Nov-2007 | UAE | Lot 38, A Pair of Sapphire, Ruby and Diamond Cufflinks | GRS2004-010282, 2004-070570

    Each double-link set with an oval-shaped sapphire weighing 4.53 and 4.41 carats within a pavé-set diamond surround joined by a chain-link connection to the smaller oval-shaped ruby and diamond terminal, larger panel 1.8 cm long

    Accompanied by report Nos. GRS2004-010282 and GRS2004-070570 dated 10 January and 9 July 2004 from the Gem Research Swisslab stating that the sapphires show no indication of thermal treatment


  461. 461
    Sotheby's | Nov-2007 | Geneva | Lot 318, Pair of Emerald and Diamond Pendent Earrings | GRS2007-030731

    Each oval emerald weighing respectively 14.93 and 15.54 carats bordered by marquise-shaped diamonds and embellished by a brilliant-cut stone weighing 1.00 and 1.02 carats respectively, suspended from a line of step-cut diamonds to the marquise-shaped diamond cluster surmount, mounted in platinum.

    Accompanied by GRS report no. GRS2007-030731 stating that both emeralds are of Colombian origin.


  462. 462
    Sotheby's | Nov-2007 | Geneva | Lot 77, Sapphire and Diamond Ring | GRS2005-050574

    Set with an oval sapphire weighing 8.47 carats, within a brilliant-cut diamond border, mounted in white gold, size 53, fitted case.

    Accompanied by GRS report no. GRS2005-050574 stating that the sapphire is of Burmese origin, with no indication of thermal treatment.


  463. 463
    Sotheby's | Nov-2007 | Geneva | Lot 128, Pink Sapphire and Diamond Ring | GRS2007-071471

    The pear-shaped pink sapphire weighing 7.08 carats within a border of modified cushion-shaped stones, set between brilliant-cut diamond shoulders, mounted in platinum, size 53.

    Accompanied by GRS report no. GRS2007-071471 stating that the pink sapphire is of Burmese origin, with no indication of thermal treatment.


  464. 464
    Sotheby's | Nov-2007 | Geneva | Lot 271, Sapphire and Diamond Necklace and A Pair of Pendent Earrings |

    The necklace designed as a series of cushion-shaped and oval sapphires bordered by circular-and single-cut diamond clusters, interspersed by similarly-set trefoil elements, a pair of pendent earrings en suite, mounted in silver and yellow gold, length 435mm.

    Accompanied by seventeen GRS reports dated 17 and 18th May 2005, stating that sapphires weighing from 3.29 to 8.65 carats, are all of Ceylon origin, with no indication of thermal treatment.


  465. 465
    Christie's | Nov-2007 | Geneva | Lot 40, A Sapphire and Diamond Ring | GRS2005-110173T

    Set with an oval-shaped sapphire, weighing 20.66 carats, within a brilliant-cut diamond surround, mounted in platinum, ring size 6

    Accompanied by report no. 110173T dated 18 November 2005 from GRS Gem Research Swisslab stating that the sapphire is of Sri Lankan origin, with no indication of thermal treatment


  466. 466
    Christie's | Nov-2007 | Geneva | Lot 92, A Charming Ruby Ring, By De Grisogono | GRS2007-050101T

    Set with a heart-shaped ruby, weighing 5.03 carats, to the pavé-set diamond heart-shaped diamond surround and half-hoop, mounted in 18k white gold
    Signed de Grisogono
    Accompanied by report no. 050101T dated 06 June 2007 from the GRS GemResearch Swisslab stating that the ruby is of Burmese origin with no indication of thermal treatment


  467. 467
    Christie's | Nov-2007 | Geneva | Lot 154, A Sapphire and Diamond Ring | GRS2004-120143T

    Set with a cushion-shaped sapphire, weighing 37.89 carats, within a vari-cut diamond surround, mounted in 18k white gold, ring size 6½, with British hallmarks for 18k white gold

    Accompanied by report no. 120143T dated 13 December 2004 from the GRS Gem Reaserch Swisslab stating that the sapphire is of Sri Lankan origin with no indication of thermal treatment


  468. 468
    Christie's | Nov-2007 | Geneva | Lot 207, A Ruby and Diamond Ring | GRS2006-040611

    Set with a cushion-shaped ruby, weighing 5.14 carats, flanked by two cushion-shaped diamonds, weighing 0.49 and 0.45 carats, to the brilliant-cut diamond surround and half hoop, mounted in platinum, ring size 6¼.

    Accompanied by report no. 040611 dated 12 April 2006 from the GRS Gem Research Swisslab stating that the ruby is of Burmese origin with no indication of thermal treatment


  469. 469
    Christie's | Nov-2007 | Geneva | Lot 215, A Spinel and Diamond Ring | GRS2007-061796

    Set with an oval-shaped spinel weighing 25.49 carats to the half-moon diamond shoulders, mounted in platinum and 18k gold, ring size 6½

    Accompanied by report no. 061796 dated 16 June 2007 from the GRS Gem Research Swisslab stating that the spinel is a natural spinel with no indiactions of treatments


  470. 470
    Christie's | Nov-2007 | Geneva | Lot 218, An Attractive Multi-coloured Sapphire and Diamond Bracelet | 10 reports

    Set with a tapering series of oval-shaped orange, pink, blue, yellow and green sapphires, to the square-shaped diamond spacers, mounted in 18k gold and platinum, 16.8 cm long

    Accompanied by ten reports from the GRS Gem Research SwissLab


  471. 471
    Phillips | Nov-2007 | Geneva | Lot 24, A Pair of Sapphire and Diamond Earrings | GRS2007-030273T & 030274T

    Each designed as a circular-cut sapphire weighing approximately 2.69 and 2.97 carats, within a pavé-set diamond surround and gallery to the circular-cut diamond surmount, mounted in 18K white gold, length 2.6 cm.

    With report nos. GRS2007-030273T & GRS2007-030274T dated 21 March 2007 from the GRS Gemresearch SwissLab stating that the natural sapphires weighing 2.69 and 2.97 carats respectively have no indication of thermal enhancement.


  472. 472
    Phillips | Nov-2007 | Geneva | Lot 67, A Sapphire and Diamond Ring | GRS2006-080902

    Set with a rectangular-cut sapphire weighing approximately 10.00 carats, to the baguette-cut diamond shoulders, size 6 1/2.

    With report no. GRS2006-080902 dated 15 August 2006 from the GRS Gemresearch Swisslab stating that the natural sapphire weighing 10.00 carats has no indications of heat enhancement.


  473. 473
    Phillips | Nov-2007 | Geneva | Lot 155, An Important Burma Ruby and Diamond Ring | GRS2006-071443

    Set to the center with a Burma ruby weighing approximately 5.02 carats, within a circular-cut diamond surround, mounted in platinum and 18K yellow gold, size 6 1/2.

    With report no. GRS2006-071443 dated 17 July 2006 from the GRS Gemresearch Swisslab stating that the natural ruby is of Burma (Myanmar) origin with no indications of thermal treatment.


  474. 474
    Christie's | Nov-2007 | Hong Kong | Lot 2348, A Ruby and Diamond Ring | GRS2006-021024

    Centering upon a cushion-shaped ruby weighing approximately 5.03 carats, within a pear-shaped diamond and circular-cut ruby sunburst surround, mounted in platinum, ring size 6

    With report no. GRS2006-021024 dated 20 February 2006 from the Gem Research Swiss Lab stating that the 5.03 carat ruby is of Burma origin with no indication of thermal treatment


  475. 475
    Christie's | Nov-2007 | Hong Kong | Lot 2269, An Exquisite Alexandrite, Pink Tourmaline and Diamond Flower Ring, By Wallace Chan | GRS2002-03347

    Centering upon an oval-shaped alexandrite weighing approximately 16.80 carats, within pear-shaped rose-cut diamond and cabochon pink tourmaline petals, to the pavé-set diamond trim, mounted in 18k pink gold and titanium band, ring size 5¾

    Signed Wallace Chan

    With report no. GRS2002-03347 dated 22 March 2002 from the Gem Research Swiss Lab stating that the 16.80 carat is a natural alexandrite with prominent color change from green in daylight to purplish-red in incandescent light


  476. 476
    Christie's | Nov-2007 | Hong Kong | Lot 2222, A Rare Cat's Eye Alexandrite and Diamond Ring | GRS2007-061523

    approximately 20.70 carats, to the pavé-set alexandrite surround and half-hoop, mounted in 18k white and oxidised gold, ring size 5½

    With report no. GRS2007-061523 dated 8 June 2007 from the Gem Research Swiss Lab stating that the 20.70 carats cat’s eye alexandrite is a natural chrysoberyl, of Sri Lanka origin, color changing from bluish-green (daylight) to “salmon-red” (incandescent light), with no indication of treatments


  477. 477
    Christie's | Nov-2007 | Hong Kong | Lot 2221, A Set of Ruby and Diamond Jewellery | GRS2007-090961, 090962, 090963

    Comprising a flower ring, centering upon a star ruby weighing approximately 5.89 carats, within a half-moon cabochon ruby and brilliant-cut diamond scalloped surround, to the brilliant-cut diamond half-hoop; and a pair of ear pendants en suite weighing approximately 5.04 and 5.01 carats, mounted in 18k pink gold, ring size 5¾, ear pendants 4 cm long

    With report no. GRS2007-090961 dated 3 September 2007 from the Gem Research Swiss Lab stating that the 5.89 carat star ruby is of Burma origin (GRS type “pigeon’s blood”), with no indications of thermal treatment

    With report no. GRS2007-090962 dated 3 September 2007 from the Gem Research Swiss Lab stating that the 5.04 carat star ruby is of Burma origin (GRS type “pigeon’s blood”), with no indications of thermal treatment

    With report no. GRS2007-090963 dated 3 September 2007 from the Gem Research Swiss Lab stating that the 5.01 carat star ruby is of Burma origin (GRS type “pigeon’s blood”), with no indications of thermal treatment (3)


  478. 478
    Christie's | Nov-2007 | Hong Kong | Lot 2217, A Sapphire and Diamond Ring | GRS2006-091141

    Set with a sugarloaf cabochon sapphire weighing approximately 12.42 carats, flanked on either side by a half-moon diamond, mounted in 18k white gold, ring size 5¼

    With report no. GRS2006-091141 dated 14 September 2006 from the Gem Research Swiss Lab stating that the 12.42 carat sapphire is of Burma origin, vivid blue colour (GRS type “royal blue”), with no indication of thermal treatment


  479. 479
    Christie's | Nov-2007 | Hong Kong | Lot 2216, A Pair of Emerald and Diamond Ear Pendant | GRS2007-082428 & 0824289

    Each suspending a sugarloaf cabochon emerald weighing approximately 4.34 and 4.86 carats, to the trapezoid-cut diamond link and tapered baguette-cut diamond surmount, mounted in 18k white gold, 2.4 cm long

    With report no. GRS2007-082428 dated 30 August 2007 from the Gem Research Swiss Lab stating that the 4.86 carat emerald is of Colombia origin with minor to moderate clarity enhancement by oil

    With report no. GRS2007-082429 dated 30 August 2007 from the Gem Research Swiss Lab stating that the 4.34 carat emerald is of Colombia origin with moderate clarity enhancement by oil


  480. 480
    Christie's | Nov-2007 | Hong Kong | Lot 2197, A Ruby and Diamond Necklace | GRS2007-081988

    Designed as a series of graduated marquise and pear-shaped diamond flowers, the front set with oval-shaped ruby flowers with a brilliant-cut diamond pistil, the back spaced by oval-shaped rubies, joined by a ruby flower clasp, mounted in platinum, 41.5 cm long

    With report no. GRS2007-081988 dated 6 September 2007 from the Gem Research Swiss Lab stating that the 60 faceted rubies are natural and of Burma origin, red to vivid red colour (GRS type “pigeon’s blood”), with no indications of thermal treatment


  481. 481
    Christie's | Nov-2007 | Hong Kong | Lot 2192, A Ruby and Diamond Bracelet | GRS2006-021308

    Designed as a series of pavé-set diamond circular links set with ruby beads each with a diamond collet terminal, enhanced by briolette diamonds, joined by a pavé-set lobster claw clasp, mounted in platinum, 17.5 cm long

    With report no. GRS2006-021308 dated 13 March 2006 from the Gem Research Swiss Lab stating that the 73 natural rubies are of Burma origin, with no indication of thermal treatment (minority is oiled)


  482. 482
    Christie's | Nov-2007 | Hong Kong | Lot 2049, A Star Sapphire and Diamond Ring | GRS2006-091807

    Centering upon a star sapphire weighing approximately 30.54 carats to the pavé-set diamond scalloped surround, gallery and shoulders, mounted in 18k white gold, ring size 5½

    With report no. GRS2006-091807 dated 28 September 2006 from the Gem Research Swiss Lab stating that the 30.54 carat star sapphire is of Burma origin with no indications of heating


  483. 483
    Christie's | Nov-2007 | Hong Kong | Lot 218, An Attractive Multi-coloured Sapphire and Diamond Bracelet | 10 reports

    Set with a tapering series of oval-shaped orange, pink, blue, yellow and green sapphires, to the square-shaped diamond spacers, mounted in 18k gold and platinum, 16.8 cm long

    Accompanied by ten reports from the GRS Gem Research SwissLab and one report from the Gemological Institute of America stating the sapphires are from various origin with no indications of thermal treatment


  484. 484
    Christie's | Nov-2007 | Hong Kong | Lot 215, A Spinel and Diamond Ring | GRS2007-061796

    Set with an oval-shaped spinel weighing 25.49 carats to the half-moon diamond shoulders, mounted in platinum and 18k gold, ring size 6½

    Accompanied by report no. 061796 dated 16 June 2007 from the GRS Gem Research Swisslab stating that the spinel is a natural spinel with no indiactions of treatments


  485. 485
    Christie's | Nov-2007 | Hong Kong | Lot 207, A Ruby and Diamond Ring | GRS2006-040611

    Set with a cushion-shaped ruby, weighing 5.14 carats, flanked by two cushion-shaped diamonds, weighing 0.49 and 0.45 carats, to the brilliant-cut diamond surround and half hoop, mounted in platinum, ring size 6¼

    Accompanied by report no. 040611 dated 12 April 2006 from the GRS Gem Research Swisslab stating that the ruby is of Burmese origin with no indication of thermal treatment


  486. 486
    Christie's | Nov-2007 | Hong Kong | Lot 204, A Sapphire and Diamond Ring | GRS2006-070704

    Set with an oval-shaped sapphire, weighing 11.63 carats, to the half-moon diamond shoulders, mounted in platinum, ring size 6½

    Accompanied by report no. 070704 dated 3 July 2006 from the GRS Gem Research Swisslab stating the sapphire is natural with no indication of thermal treatment


  487. 487
    Christie's | Nov-2007 | Hong Kong | Lot 40, A Sapphire and Diamond Ring | GRS2005-110173T

    Set with an oval-shaped sapphire, weighing 20.66 carats, within a brilliant-cut diamond surround, mounted in platinum, ring size 6

    Accompanied by report no. 110173T dated 18 November 2005 from GRS Gem Research Swisslab stating that the sapphire is of Sri Lankan origin, with no indication of thermal treatment


  488. 488
    Sotheby's | Dec-2007 | New York | Lot 93, Peridot and Diamond Ring | GRS2005-050897

    The step-cut peridot weighing 63.87 carats, surrounded by numerous pave-set round diamonds weighing approximately 7.00 carats and 43 marquise shaped diamonds weighing approximately 4.25 carats, mounted in 18 karat white gold, size 63/4.

    Accompanied by GRS report no. GRS2005-050897 stating that the peridot is of Burniese (Myanmar) origin.


  489. 489
    Sotheby's | Feb-2008 | New York | Lot 68, Multi-colored Sapphire and Diamond Bracelet | GRS2007-102282

    The wide, flexible band randomly set with 64 rose-cut sapphires in various colors and shapes, further decorated with 82 rose-cut diamonds weighing approximately 7.50 carats, mounted in a rope design of 18 karat gold, length 7½ inches.

    Accompanied by GRS report no. 2007-102282 stating natural colored sapphires (of six tested); no indication of thermal treatment for five of the stones, one stone undetermined.


  490. 490
    Sotheby's | Feb-2008 | New York | Lot 337, Pair of Diamond 'serpentine' Earclips With Interchangeable Pendants, Angela Cummings, 1997 | GRS2000-01128, 2000-01127

    The serpentine scrolls set with 60 round diamonds weighing approximately 6.80 carats, mounted in platinum, with pendant hooks to support a pair of natural black color cultured pearl drops measuring approximately 13.8 by 11.2 mm. or a pair of pear-shaped sapphires weighing 5.11 and 5.88 carats respectively, the tops signed Cummings c. 1997. With signed box.

    Accompanied by 2 GRS reports nos. 2000-01128 and 2000-01127 stating that the sapphires are natural; no indication of thermal treatment.


  491. 491
    Sotheby's | Apr-2008 | Hong Kong | Lot 1905, Pink Tourmaline, Pink Spinel and Diamond Ring | GRS2008-012315

    Set with an oval-shaped pink tourmaline weighing 40.78 carats, encircled by brilliant-cut diamonds, within a stylised diamond basket, accented by four pink spinels, the diamonds and spinels together weighing approximately 1.95 and 1.70 carats respectively, mounted in 18 karat yellow gold, signed “Agapoff”. Ring size: 6¾

    Accompanied by GRS report numbered GRS2008-012315, dated 23 January 2008, stating that 40.78 carat is natural, pink colour, with no indication of treatments.


  492. 492
    Sotheby's | Apr-2008 | Hong Kong | Lot 1932, Sapphire and Diamond Ring | GRS9903025

    Set with an oval sapphire weighing 9.07 carats, amid a decorative mount of pear-shaped and brilliant-cut diamonds, the diamonds together weighing approximately 2.80 carats, mounted in 18 karat white gold. Ring size: 4¾

    Accompanied by GRS report numbered GRS 9903025, dated 2 March 1999, stating that the 9.07 carat sapphire is natural, with no indication of thermal treatment.


  493. 493
    Sotheby's | Apr-2008 | Hong Kong | Lot 1974, Spessartine Garnet, Coloured Diamond and Diamond Ring | GRS2008-012528

    Set with an oblong oval spessartine garnet weighing 11.78 carats, encircled by brilliant-cut diamonds of greenish hue, within a raised mount extending to the shoulders pavé-set throughout with brilliant-cut diamonds and diamonds ranging from light to fancy brown hues, the diamonds together weighing approximately 3.55 carats, mounted in 18 karat pink gold, signed “Agapoff”. Ring size: 7

    Accompanied by GRS report numbered GRS2008-012528, dated 23 January 2008, stating that the 11.78 carat spessartine garnet is natural, vivid orange colour, with no indication of treatments.


  494. 494
    Sotheby's | Apr-2008 | Hong Kong | Lot 1980, Cat's-eye Chrysoberyl and Diamond Ring | GRS2007-081474

    Centring on an oval cabochon cat’s-eye chrysoberyl weighing 32.40 carats, encircled by brilliant-cut diamonds, amid a broad shank, mounted in 18 karat white and yellow gold. Ring size: 8¼

    Accompanied by GRS report numbered GRS2007-081474, dated 7 August 2007, stating that the 32.40 carat chrysoberyl is natural, yellowish-green colour, with no indication of treatments.


  495. 495
    Sotheby's | Apr-2008 | Hong Kong | Lot 1989, Ruby and Diamond Ring | GRS2007-081472

    Centring on an oval ruby weighing 5.03 carats, encircled by marquise-shaped diamonds together weighing approximately 1.50 carats, mounted in platinum. Ring size: 5¾

    Accompanied by GRS report numbered GRS2007-081472, dated 7 August 2007, stating that the 5.03 carat ruby is natural, of Burmese (Myanmar) origin, pinkish-red colour, with no indication of thermal treatment.


  496. 496
    Sotheby's | Apr-2008 | Hong Kong | Lot 1991, Sapphire and Diamond Ring | GRS2007-050717

    Centring on a cushion-shaped sapphire weighing 5.67 carats, within a surround of cushion-shaped diamonds, decorated with a diamond-set basket extending to the shank, the diamonds together weighing approximately 4.30 carats, mounted in platinum. Ring size: 6¼

    Accompanied by GRS report numbered GRS2007-050717, dated 9 May 2007, stating that the 5.67 carat sapphire is natural, of Burmese (Myanmar) origin, Vivid Blue colour (GRS type “royal blue”), with no indication of thermal treatment.


  497. 497
    Sotheby's | Apr-2008 | Hong Kong | Lot 2020, Pair of Ruby and Diamond 'floral' Ear Clips | GRS2005-020335T

    Each composed of six oval rubies, decorated in the centre by surround of brilliant-cut diamonds, supported by a brilliant-cut and three marquise-shaped diamonds, the rubies and diamonds altogether weighing approximately 28.48 and 2.80 carats respectively, mounted in platinum, clip fittings.

    Accompanied by GRS report numbered GRS2005-020335T, dated 1 March 2005, stating that the twelve rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  498. 498
    Sotheby's | Apr-2008 | Hong Kong | Lot 2021, Pair of Sapphire and Diamond Pendent Earrings | GRS2006-122929, 2006-122803

    Each suspending a cushion-shaped sapphire weighing 5.65 and 6.48 carats respectively, within a double border pavé-set with brilliant-cut diamonds, similarly-set to the surmount by an oval diamond, the diamonds altogether weighing approximately 2.75 carats, mounted in 18 karat white gold, pendants detachable.

    Accompanied by GRS reports numbered GRS2006-122929 and GRS2006-122803, dated 18 December 2006, stating that the 5.65 and 6.48 carat sapphires are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  499. 499
    Sotheby's | Apr-2008 | Hong Kong | Lot 2022, Pink Sapphire and Diamond Ring | GRS2007-081898

    Set with a cushion-shaped pink sapphire weighing 6.54 carats, within a surround of pear-shaped diamonds, supported by a basket micro-pavé-set with brilliant-cut diamonds extending to the shank, the diamonds together weighing approximately 2.60 carats, mounted in 18 karat white gold. Ring size: 5¾

    Accompanied by GRS report numbered GRS2007-081898, dated 14 August 2007, stating that the 6.54 carat sapphire is natural, vivid pink colour, with no indication of thermal treatment.


  500. 500
    Sotheby's | Apr-2008 | Hong Kong | Lot 2023, Sapphire and Diamond Bracelet | 20 Reports

    The straightline bracelet set with twenty step-cut sapphires, alternated by emerald-cut diamonds, the sapphires and diamonds together weighing approximately 44.65 and 3.55 carats respectively, mounted in 18 karat white gold, length approximately 175mm.

    Accompanied by twenty GRS reports stating that the sapphires of 1.63 to 2.23 carats are natural, with no indication of thermal treatment.


  501. 501
    Sotheby's | Apr-2008 | Hong Kong | Lot 2024, Ruby and Diamond Ring | GRS2006-021024

    Centring on an oval ruby weighing 5.03 carats, within a tiered border of pear-shaped diamonds and circular-cut rubies altogether weighing approximately 2.40 carats, mounted in platinum. Ring size: 6

    Accompanied by GRS report numbered GRS2006-021024, dated 29 June 2007 and 20 February 2006 respectively, stating that the 5.03 carat ruby is natural, of Burmese (Myanmar) origin, with no indications of thermal treatment. Rubies which have not been heated are scarce.


  502. 502
    Sotheby's | Apr-2008 | Hong Kong | Lot 2029, Cat's-eye Chrysoberyl and Diamond Ring | GRS2006-061531

    Centring on an oval cabochon cat’s-eye chrysoberyl weighing 13.19 carats, surrounded by a tiered triple border set with rose- and brilliant-cut diamonds of yellow hues, the diamonds together weighing approximately 2.50 carats, mounted in 18 karat yellow and white gold. Ring size: 5½

    Accompanied by GRS report numbered GRS2006-061531, dated 24 June 2006, stating that the 13.19 carat cat’s-eye chrysoberyl is natural, Greenish-Yellow colour, of Sri Lankan origin, with no traces of radioactivity detected.


  503. 503
    Sotheby's | Apr-2008 | Hong Kong | Lot 2033, Pair of Ruby and Diamond Ear Clips | GRS2005-110496, 2007-061950

    Each flower head centring on an oval ruby weighing 6.83 and 6.87 carats respectively, the petals formed of oval diamonds delicately positioned at an angle, the diamonds altogether weighing approximately 10.30 carats, mounted in platinum, clip fittings.

    Accompanied by GRS reports numbered GRS2005-110496 and GRS2007-061950, dated 2 November 2005 and 13 June 2007 respectively, stating that the 6.87 and 6.83 carat rubies are natural, of Burmese (Myanmar) origin, with no indications of thermal treatment. Rubies which have not been heated are scarce.


  504. 504
    Sotheby's | Apr-2008 | Hong Kong | Lot 2035, Sapphire and Diamond Ring | GRS2007-081470

    Centring on an oval sapphire weighing 11.00 carats, amid a dome-shaped mount of swirl pattern alternately-set with rose-cut diamonds and sapphires, the diamonds together weighing approximately 2.05 carats, mounted in 18 karat white gold, pendant fitting. Ring size: 5½

    Accompanied by GRS report number GRS2007-081470, dated 7 August 2007, stating that the 11.00 carat sapphire is natural, of Burmese (Myanmar) origin, vivid blue colour (GRS type “royal blue”), with no indication of thermal treatment.


  505. 505
    Sotheby's | Apr-2008 | Hong Kong | Lot 2036, Emerald and Diamond Ring | GRS2007-101322

    Set with an octagonal emerald weighing 5.93 carats, surrounded with brilliant-cut diamonds extending to the basket, the diamonds together weighing approximately 1.00 carat, mounted in 18 karat white gold. Ring size: 5½

    Accompanied by GRS report numbered GRS2007-101322, dated 9 October 2007, stating that the 5.93 carat emerald is natural, of Colombian origin, with insignificant indications of clarity enhancement.


  506. 506
    Sotheby's | Apr-2008 | Hong Kong | Lot 2037, Pair of Ruby and Diamond Ear Clips | GRS2008-022586, 2008-022587

    Each centring on an oval ruby altogether weighing 6.04 carats, surrounded by brilliant-cut diamonds, further encircled by a stylised cluster of circular and pear-shaped rose-cut diamonds, the diamonds altogether weighing approximately 3.20 carats, mounted in 18 karat white gold.

    Accompanied by GRS report numbered GRS2008-022586 and GRS2008-022587, dated 25 February 2008, stating that both the 3.02 carat rubies are natural, of Burmese (Myanmar) origin, with indications of heat enhancement, residues insignificant, GRS type “pigeon’s blood”.


  507. 507
    Sotheby's | Apr-2008 | Hong Kong | Lot 2089, Star Sapphire and Diamond Ring | GRS2008-091689

    Set with an oval star sapphire weighing 16.86 carats, bordered by brilliant-cut diamonds, further decorated with a stylised basket pavé-set with brilliant-cut diamonds, flanked by entwined diamond-set shank, mounted in 18 karat white gold. Ring size: 3½

    Accompanied by GRS report numbered GRS2008-091689, dated 19 September 2005, stating that the 16.86 carat star sapphire is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  508. 508
    Sotheby's | Apr-2008 | Hong Kong | Lot 2097, Peridot and Diamond Ring | GRS2007-071439

    Set with a cushion-shaped peridot weighing 23.10 carats, framed by pavé-set brilliant-cut diamonds, extending to the basket and shank, mounted in 18 karat white gold. Ring size: 6¼

    Accompanied by GRS report numbered GRS2007-071439, dated 16 July 2007, stating that the 23.10 carat peridot is natural, of Burmese (Myanmar) origin, Yellowish-Green colour, with no indication of treatments.


  509. 509
    Sotheby's | Apr-2008 | Hong Kong | Lot 2118, Emerald and Diamond Ring | GRS2007-081475

    Centring on an octagonal step-cut emerald weighing 4.03 carats, surrounded by channel-set princess-cut diamonds together weighing approximately 1.00 carat, mounted in 18 karat white gold. Ring size: 8

    Accompanied by GRS report numbered GRS2007-081475, dated 7 August 2007, stating that the 4.03 carat emerald is natural, of Columbian origin, with minor clarity enhancement.


  510. 510
    Sotheby's | Apr-2008 | Hong Kong | Lot 2148, Sapphire and Diamond Ring | GRS2005-060570T

    Centring on an oval-shaped sapphire weighing 19.93 carats, amid a ballerina setting composed of baguette and brilliant-cut diamonds together weighing approximately 1.00 carats, mounted in platinum. Ring size: 5¾

    Accompanied by GRS report numbered GRS2005-060570T, dated 29 June 2005, stating that the 19.93 carat sapphire is natural, Blue colour, of Sri Lankan origin, with no indication of thermal treatment.


  511. 511
    Sotheby's | Apr-2008 | Hong Kong | Lot 2162, Colour-changing Sapphire and Diamond Ring | GRS2005-121104

    Set with an oval colour-changing sapphire weighing 10.27 carats, amid a stylised mount set with baguette and brilliant-cut diamonds extending to the shank, the diamonds together weighing approximately 2.00 carats, mounted in 18 karat white and blackened gold. Ring size: 6

    Accompanied by GRS report numbered GRS2005-121104, dated 21 December 2005, stating that the 10.27 carat sapphire is natural, colour-changing from violetish-blue (daylight) to purple (incandescent light), with no indication of thermal treatment.


  512. 512
    Sotheby's | Apr-2008 | Hong Kong | Lot 2196, Fine Ruby and Diamond Necklace and Pair of Matching Earrings | GRS2007-091841, 2008-021717

    The articulated straightline necklace composed of forty-two oval rubies together weighing 77.85 carats, highlighted by marquise- and pear-shaped diamond clusters, the diamonds together weighing approximately 18.26 carats, length approximately 395mm; and a pair of matching earrings, each centring on an oval ruby weighing 3.01 and 2.81 carats respectively, accented by marquise- and pear-shaped diamonds altogether weighing approximately 3.91 carats, mounted in 18 karat white and yellow gold, post fittings. (2)

    Accompanied by two GRS reports numbered GRS2007-091841 and GRS2008-021717, stating that the rubies are natural, of Burmese (Myanmar) origin, Red to Vivid Red colour (GRS type “pigeon’s blood”), with no indications of heating; with GRS appendix stating the dimensions of the rubies on necklace.


  513. 513
    Sotheby's | Apr-2008 | Hong Kong | Lot 2198, Ruby and Diamond Pendent Necklace and Ring and Pair of Matching Earrings | GRS2008-021740, 2008-021718

    The circular pendant composed of fourteen oval rubies set at intervals with oval diamonds, decorated to the centre with an oscillating oval ruby suspending from a diamond-set bar, accompanied by a white gold chain, length approximately 400mm, ruby detachable for ring fitting; and a pair of matching earrings, each centring on an oval ruby, bordered by brilliant-cut diamonds; the rubies and diamonds altogether weighing approximately 17.60 and 10.75 carats respectively, mounted in 18 karat white gold, post fittings. (3) Ring size: 5½.

    Accompanied by GRS reports numbered GRS2008-021740 and GRS2008-021718, dated 12 February 2008, stating that the seventeen rubies altogether weighing approximately 17.60 carats are natural, of Burmese (Myanmar) origin, Red to Vivid Red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment.


  514. 514
    Sotheby's | Apr-2008 | Hong Kong | Lot 2200, Pair of Sapphire and Diamond Pendent Earrings | GRS2008-011515

    Each depicting a floral vine set with oval and cushion-shaped sapphires altogether weighing 38.83 carats, decorated to the centre with an articulated leaf stalk set with five marquise-shaped diamonds, surmounted by a bombé circle pavé-set with brilliant-cut diamonds, embellished with an oval sapphire, the diamonds altogether weighing approximately 3.50 carats, mounted in 18 karat white gold, clip and retractable post fittings.

    Accompanied by GRS report numbered GRS2008-011515, dated 21 January 2008, stating that the twenty-four sapphires are natural, altogether weighing 38.83 carats, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  515. 515
    Sotheby's | Apr-2008 | New York | Lot 247, Sapphire and Diamond Ring |

    The oval sapphire weighing 11.63 carats, flanked by 2 half-moon-shaped diamonds weighing approximately 2.05 carats, mounted in platinum, size 6½.

    Accompanied by GRS report no. GRS2006-070704 stating that the sapphire is of Burmese origin; no indication of thermal treatment; vivid blue color (GRS type “royal blue”).


  516. 516
    Sotheby's | Sep-2008 | New York | Lot 402, Pair of Emerald and Diamond Earclips | GRS2000-10116

    Set with 2 octagonal step-cut emeralds weighing approximately 7.25 carats, framed by 8 baguette and 8 oval diamonds weighing a total of approximately 5.40 carats, mounted in platinum and 18 karat gold.
    Accompanied by GRS report no. 2000-10116 stating that the emeralds are of Zambian origin; clarity enhancement: insignificant to moderate.


  517. 517
    Bonhams | Sep-2008 | London | Lot 82, A Pink Spinel and Diamond Ring | GRS2008-061487

    The oval-cut pink spinel, weighing 3.13 carats, claw-set within an octagonal border of brilliant-cut diamonds, between similarly set shoulders, ring size N

    Accompanied by a report from GRS, stating that the natural spinel was found to be of Tanzanian origin with no evidence of heat treatment. Report number GRS2008-061487, dated 5th June 2008.


  518. 518
    Sotheby's | Oct-2008 | Hong Kong | Lot 1628, Ruby and Diamond Ring | GRS2007-081473

    Centring on a cushion-shaped ruby weighing 7.24 carats, surrounded by brilliant-cut diamonds, decorated to the shoulders with foliate patterns and brilliant-cut diamonds, mounted in 18 karat white gold. Ring size: 8

    Accompanied by GRS report numbered GRS2007-081473, dated 7 August 2007, stating that the 7.24 carat ruby is natural, of Burmese (Myanmar) origin, Pinkish-Red colour, with no indication of thermal treatment.


  519. 519
    Sotheby's | Oct-2008 | Hong Kong | Lot 1677, Pair of Spessartine Garnet and Diamond Ear Clips | GRS2008-071706

    Each centring on a cushion-shaped spessartine garnet weighing 7.00 and 5.44 carats respectively, amid a circular dome-shaped disc encrusted with brilliant-cut diamonds of brownish hue edging brilliant-cut diamonds, the diamonds altogether weighing approximately 3.50 carats, mounted in 18 karat yellow gold, clip and post fittings, signed Agapoff.
    Accompanied by GRS report numbered GRS2008-071706, dated 15 July 2008, stating that the 7.00 and 5.44 carat spessartine garnets are natural, Vivid Orange-Yellow colour, with no indication of treatments.


  520. 520
    Sotheby's | Oct-2008 | Hong Kong | Lot 1679, Pair of Ruby and Diamond Earrings | GRS2005-100912, 120587

    Each centring on an oval ruby weighing 1.49 and 1.41 carats respectively, surrounded by pear-shaped rose-cut diamonds altogether weighing approximately 4.90 carats, mounted in 18 karat white gold, post fittings.

    Accompanied by GRS reports numbered GRS2005-100912 and GRS2005-120587, dated 10 October and 10 December 2005 respectively, stating that the 1.49 and 1.41 carat rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  521. 521
    Sotheby's | Oct-2008 | Hong Kong | Lot 1680, Pink Sapphire and Diamond Ring | GRS2004-090230T

    Centring on a rectangular cushion-shaped pink sapphire weighing 4.99 carats, surrounded by brilliant-cut diamonds and rose-cut diamonds, supported by a brilliant-cut diamond-set basket extending to the shank, the diamonds together weighing approximately 1.10 carats, mounted in 18 karat white gold.
    Ring size: 6

    Accompanied by GRS report numbered GRS2004-090230T, dated 14 September 2004, stating that the 4.99 carat sapphire is natural, of Sri Lankan origin, with no indication of thermal treatment.


  522. 522
    Sotheby's | Oct-2008 | Hong Kong | Lot 1682, Alexandrite, Green Garnet and Diamond Ring | GRS2005-120108T

    Centring on a cushion-shaped alexandrite weighing 22.06 carats, framed by brilliant-cut diamonds, flanked on each side with a triangular-shaped green garnet encircled by brilliant-cut diamonds, mounted in 18 karat white gold. Ring size: 6½

    Accompanied by GRS report numbered GRS2005-120108T, dated 20 December 2005, stating that the 22.06 carat alexandrite is natural chrysoberyl, colour changing from Yellowish-Green (daylight) to Orangy-Red (incandescent light), with no traces of radioactivity detected.


  523. 523
    Sotheby's | Oct-2008 | Hong Kong | Lot 1683, Cat's-eye Chrysoberyl and Diamond Ring | GRS2006-030597

    Centring on a circular-shaped cabochon cat’s-eye chrysoberyl weighing 18.76 carats, surrounded by pear-shaped rose-cut diamonds, further encircled by brilliant-cut diamonds of brownish hue, the diamonds together weighing approximately 2.15 carats, mounted in 18 karat white gold.
    Ring size: 5½

    Accompanied by GRS report numbered GRS2006-030597, dated 3 March 2006, stating that the 18.76 carat cat’s-eye chrysoberyl is natural, Greenish-Orange (GRS type “honey colour”) colour, with no traces of radioactivity detected.


  524. 524
    Sotheby's | Oct-2008 | Hong Kong | Lot 1728, Star Ruby and Diamond Ring | GRS2008-011350

    Centring on an oval cabochon star ruby weighing 9.47 carats, framed by brilliant-cut diamonds, further encircled by oval and circular rose-cut diamonds set at intervals, decorated to the basket and shank with brilliant-cut diamonds, the diamonds together weighing approximately 1.85 carats, mounted in 18 karat white gold. Ring size: 6¼

    Accompanied by GRS report numbered GRS2008-011350, dated 7 January 2008, stating that the 9.47 carat star ruby is natural, of Burmese (Myanmar) origin, with no indications of thermal treatment.


  525. 525
    Sotheby's | Oct-2008 | Hong Kong | Lot 1742, Pair of Ruby and Diamond Earrings | GRS2006-020421, 2005-100983

    Of cluster design, each centring on an oval ruby weighing 2.09 and 2.03 carats respectively, within a surround of six pear-shaped diamonds altogether weighing 11.54 carats, mounted in platinum and 18 karat yellow gold, clip and pendant fittings.

    Accompanied by GRS reports numbered GRS2006-020421 and GRS2005-100983, dated 11 February 2006 and 10 October 2005 respectively, stating that the 2.09 and 2.03 carat rubies are natural, of Burmese (Myanmar) origin, Vivid Red (GRS type “pigeon’s blood”) colour, with no indication of thermal treatment; also accompanied by twelve GIA reports stating that the diamonds ranging from 1.21 to 0.70 carats are of D to F colour, VS1 to SI2 clarity.


  526. 526
    Sotheby's | Oct-2008 | Hong Kong | Lot 1743, Ruby and Diamond Ring | GRS2007-061948

    Centring on an oval ruby weighing 4.15 carats, surrounded by brilliant-cut diamonds together weighing approximately 1.50 carats, mounted in platinum and 18 karat yellow gold. Ring size: 6¼

    Accompanied by GRS report numbered GRS2007-061948 respectively, dated 13 June 2007, stating that the 4.15 carat ruby is natural, of Burmese (Myanmar) origin, Vivid Red (GRS type “pigeon’s blood”) colour, with no indications of heating, rubies which have not been heated are scarce.


  527. 527
    Sotheby's | Oct-2008 | Hong Kong | Lot 1744, Sapphire and Diamond Ring, Van Cleef & Arpels | GRS2000-08245

    Centring on an oval sapphire weighing 10.51 carats, encircled by brilliant-cut diamonds extending to the shoulders, the diamonds together weighing approximately 3.00 carats, mounted in platinum and 18 karat yellow gold, signed. Ring size: 5¼

    Accompanied by GRS report numbered GRS2000-08245, dated 28 August 2000, stating that the 10.51 carat sapphire is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  528. 528
    Sotheby's | Oct-2008 | Hong Kong | Lot 1816, Red and Blue Spinel Ring | GRS2008-071456

    Set with two cushion-shaped spinels of blue and vivid red colour together weighing approximately 4.65 carats, decorated to the shoulders with brilliant-cut diamonds, mounted in 18 karat yellow gold, signed Agapoff. Ring size: 5¾

    Accompanied by GRS report numbered GRS2008-071456, dated 9 July 2008, stating that both together weighing 4.65 carat spinels are natural, Blue and Vivid Red colour respectively, with no indication of treatment.


  529. 529
    Sotheby's | Oct-2008 | Hong Kong | Lot 1849, Pair of Colour-changing Sapphire and Diamond Pendent Earrings | GRS2008-022946, 022947

    Each suspending a cushion-shaped colour-changing sapphire weighing 8.01 and 7.99 carats respectively, surmounted by a loop channel-set with baguette diamonds, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS2008-022946 and GRS2008-022947, both dated 29 February 2008, stating that the 8.01 and 7.99 carat sapphires are natural, of Sri Lankan origin, colour-changing from violetish-blue (daylight) to purple (incandescent light), with no indication of thermal treatment.


  530. 530
    Sotheby's | Oct-2008 | Hong Kong | Lot 1850, Pair of Colour-changing Sapphire, Tsavorite Garnet and Diamond Pendent Earrings | GRS2008-071936

    Each alternately-set with graduated row of two colour-changing sapphires and two tsavorite garnets, each surrounded by brilliant-cut diamonds, the largest colour-changing sapphire and tsavorite garnet weighing 7.05 and 6.26 carats respectively, completed by a brilliant-cut diamond-set surmount, the diamonds altogether weighing approximately 6.45 carats, mounted in 18 karat yellow gold, clip and post fittings, signed Agapoff.

    Accompanied by GRS report numbered GRS2008-071936, dated 21 July 2008, stating that the colour-changing sapphire and tsavorite garnets are natural, colour-changing from Blue (daylight) to Purple (incandescent light) and Vivid Green respectively, with no indication of thermal treatment.


  531. 531
    Sotheby's | Oct-2008 | Hong Kong | Lot 1851, Tsavorite Garnet and Diamond Ring | GRS2008-071945

    Set with a cushion-shaped tsavorite garnet weighing 10.30 carats, flanked on each side with a triangular rose-cut diamond together weighing approximately 1.10 carats, the shank decorated with micro pavé-set with circular-cut diamonds, mounted in 18 karat yellow gold, signed Agapoff. Ring size: 5½

    Accompanied by GRS report numbered GRS2008-071945, dated 21 July 2008, stating that the 10.30 carat tsavorite garnet is natural, Vivid Green colour, with no indication of treatment.


  532. 532
    Sotheby's | Oct-2008 | Hong Kong | Lot 1855, Pink Sapphire and Diamond Ring | GRS2006-112610T

    Set with a cushion-shaped pink sapphire weighing 7.01 carats, flanked on each side with a radiant-cut diamond weighing 1.18 and 1.04 carats respectively, mounted in 18 karat white and yellow gold. Ring size: 6

    Accompanied by GRS report numbered GRS2006-112610T, dated 23 November 2006, stating that the 7.01 carat sapphire is natural, Pink colour, with no indication of thermal treatment.


  533. 533
    Sotheby's | Oct-2008 | Hong Kong | Lot 1857, Pair of Padparadscha, Pink Sapphire and Diamond Pendent Earrings | GRS2008-071003, 071004

    Each suspending an oval padparadscha weighing 13.99 and 12.12 carats respectively, amid a basket fully encrusted with circular-cut pink sapphires, to articulated double chains set with brilliant-cut diamonds highlighted by circular-cut pink sapphires, anchored by two briolette diamonds altogether weighing approximately 2.35 carats, enhanced to the surmount by an oval diamond ear stud altogether weighing approximately 2.05 carats, the pink sapphires and diamonds altogether weighing approximately 8.30 and 2.50 carats respectively, mounted in 18 karat pink and blackened gold, clip and post fittings, photographed unmounted.

    Accompanied by GRS reports numbered GRS2008-071003 and GRS2008-071004, both dated 8 July 2008, stating that the 13.99 and 12.12 carat padparadschas are natural pink sapphire, of Sri Lankan origin, Orangy-Pink colour, with no indication of thermal treatment.


  534. 534
    Sotheby's | Oct-2008 | Hong Kong | Lot 1858, Sapphire and Diamond Ring | GRS2006-091248

    Set with an octagonal-shaped step-cut sapphire weighing 9.52 carats, flanked on each side with a baguette diamond, decorated to the basket and shank pavé-set with brilliant-cut diamonds, the diamonds together weighing approximately 1.75 carats, mounted in 18 karat white gold. Ring size: 5¾

    Accompanied by GRS report numbered GRS2006-091248, dated 15 September 2006, stating that the 9.52 carat sapphire is natural, of Sri Lankan origin, with no indication of thermal treatment.


  535. 535
    Sotheby's | Oct-2008 | Hong Kong | Lot 1859, Fine Pair of Sapphire and Diamond Earrings | GRS9908082, 2006-112881

    Each centring on an oval sapphire weighing 9.10 and 8.56 carats respectively, surrounded by marquise- and pear-shaped diamonds altogether weighing approximately 5.70 carats, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS9908082 and GRS2006-112881, dated 26 August 1999 and 23 November 2006 respectively, stating that the 9.10 and 8.56 carat sapphires are natural, blue and royal blue colour, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  536. 536
    Sotheby's | Oct-2008 | Hong Kong | Lot 1883, Cat's-eye Alexandrite and Diamond Brooch and Pair of Matching Pendent Earrings | GRS2008-082395

    Of flower basket design, the buds applied with six oval cat’s-eye alexandrites, each set on a brilliant-cut diamond-set support, the curled gold leaves adorning the basket frame pavé-set with brilliant-cut brown diamonds; and pair of matching pendent earrings, each suspending five oval cat’s-eye alexandrites, to a surmount set with a cat’s-eye alexandrite within a similar setting, post fittings, pendant detachable; the cat’s-eye alexandrites and diamonds altogether weighing approximately 44.65 and 1.50 carats respectively, mounted in 18 karat white, yellow and brown gold.

    Accompanied by GRS report numbered GRS2008-082395, dated 30 August 2008, stating that the eighteen cat’s eye alexandrites are natural, colour-changing from Bluish-Green (daylight) to Purple-Red (incandescent light) colours, with no indication of treatments.


  537. 537
    Sotheby's | Dec-2008 | New York | Lot 189, Cabochon Ruby and Diamond Ring | GRS2008-042207

    The oval cabochon ruby weighing 21.83 carats, flanked by 2 trapeze-shaped diamonds weighing approximately 1.95 carats, mounted in platinum, size 6½.

    Accompanied by GRS report no. GRS2008-042207 stating that the ruby is of Burmese origin; enhancement by heat.


  538. 538
    Bonhams | Dec-2008 | Los Angeles | Lot 1753, Rare Alexandrite and Diamond Ring | GRS2006-050037T

    t would be difficult to find a more outstanding example of the chrysoberyl species than this fine alexandrite. Fashioned as an old-mine style cushion-cut it weighs approximately 3.14 carats and exhibts the highest degree of color change from green to red. Surrounded by small brilliant-cut diamonds, the shoulders are also accented with small diamonds, weighing a total of 0.38 carats. A fine stone for the most discerning collector of precious and rare gems, mounted in 18k rose gold and platinum, size 6.

    Accompanied by a GRS (Gem Research Swisslab) report No. GRS2006-050037T dated May 4th 2006 stating that the natural alexandrite exhibits a prominent color change from green under daylight to purple-red under incandescent light.


  539. 539
    Sotheby's | Mar-2009 | London | Lot 88, Demantoid Garnet and Diamond Ring | GRS2008-111901

    Set to the centre with a cushion-shaped demantoid garnet weighing 4.00 carats, to a border of brilliant-cut diamonds, size N½.

    Accompanied by a report from GRS, no. GRS2008-111901, stating that the demantoid garnet weighing 4.00 carats is natural with no indications of treatment.


  540. 540
    Sotheby's | Mar-2009 | London | Lot 138, Sapphire and Diamond Ring | GRS2006-112580T

    Designed as an oval collet-set sapphire weighing 8.11 carats within a border of brilliant-cut diamonds, size L½.

    Accompanied by a report from the GRS, no.GRS2006-112580T, stating that the sapphire weighing 8.11 carats is natural with no indications of thermal treatment and revealed characteristics corresponding to Kanchanaburi (Thailand)


  541. 541
    Sotheby's | Mar-2009 | London | Lot 121, Spinel and Diamond Ring | GRS2008-041335

    Claw-set to the centre with a cushion-shaped spinel weighing 2.35 carats, within a surround of brilliant-cut diamonds, the shoulders accented with baguette stones, size M, British hallmarks for London, 2008.

    Accompanied by a report from GRS, no.GRS2008-041335, stating that the spinel weighing 2.35 carats was found to be natural with no indication of treatment.


  542. 542
    Sotheby's | Apr-2009 | Hong Kong | Lot 1108, Sapphire and Diamond Brooch | GRS2007-092397

    Centring on an oval cabochon sapphire weighing 27.97 carats, within a surround of brilliant-cut diamonds, further embellished with scrolling ribbons pavé-set with brilliant-cut diamonds, accented with calibré-cut sapphire fringes, the sapphires and diamonds together weighing approximately 4.50 and 8.50 carats respectively, mounted in 18 karat white gold, pendant fitting.

    Accompanied by GRS report numbered GRS2007-092397, dated 20 September 2007, stating that the 27.97 carat sapphire is natural, of Sri Lankan origin, with no indication of thermal treatment.


  543. 543
    Sotheby's | Apr-2009 | Hong Kong | Lot 1153, Pair of Spessartite Garnet, Spinel and Diamond Pendent Earrings, Agapoff | GRS2009-011503

    Each suspending an oval spessartite garnet altogether weighing approximately 25.28 carats, bordered by tapered baguette diamonds interspersed by circular-cut red spinels, to a brilliant-cut diamond-set hook, linked by a rose-cut diamond, the diamonds altogether weighing approximately 1.65 carats, signed.

    Accompanied by GRS report numbered GRS2009-011503, dated 17 January 2009, stating that the two spessartites are natural, Orange colour, with no indication of treatments.


  544. 544
    Sotheby's | Apr-2009 | Hong Kong | Lot 1155, Alexandrite and Diamond Ring | GRS2007-091459

    Centring on an oval alexandrite weighing 6.82 carats, surrounded by alternately-set oval and marquise-shaped diamonds together weighing approximately 2.00 carats, mounted in 18 karat white gold. Ring size: 5½

    Accompanied by GRS report number GRS2007-091459, dated 8 September 2007, stating that the 6.82 carat alexandrite is natural, colour changing from Purple-Green (daylight) to Reddish-Purple (incandescent light), with no indication of treatments.


  545. 545
    Sotheby's | Apr-2009 | Hong Kong | Lot 1168, Pink Spinel and Diamond Ring | GRS2009-011233

    Set with a cushion-shaped pink spinel weighing 6.94 carats, framed by micro pavé-set brilliant-cut diamonds extending to the split shoulders, the diamonds together weighing approximately 1.65 carats, mounted in 18 karat white gold. Ring size: 6½

    Accompanied by GRS report numbered GRS2009-011233, dated 13 January 2009, stating that the 6.94 carat spinel is natural, Vibrant Pink colour (GRS type “Neon-Pink”), with no indication of treatments. The vibrant pink spinels with low tone and fluorescent colour are one of the rarest colours in the world of spinels.


  546. 546
    Sotheby's | Apr-2009 | Hong Kong | Lot 1168, Pair of Spinel and Diamond Pendent Ear Clips | GRS2009-011504

    Each suspending a pear-shaped spinel altogether weighing approximately 31.61 carats, surmounted by an old mine-cut diamond altogether weighing approximately 8.65 carats, mounted in 18 karat yellow gold, clip and post fittings.

    Accompanied by GRS report numbered GRS2009-011504, dated 17 January 2009, stating that the two spinels are natural, brownish-pink colour, with no indication of treatments.


  547. 547
    Sotheby's | Apr-2009 | Hong Kong | Lot 1273, Pair of Sapphire, Tsavorite Garnet and Diamond ' Peacock' Earrings | GRS2005-060923, 2006-061481

    Of peacock design, each body set with a fancy-shaped cabochon sapphire weighing approximately 8.82 and 8.42 carats respectively, the feathers decorated with pear-shaped rose-cut diamonds edged by circular-cut sapphires and tsavorite garnets, highlighted by cabochon ruby-set eyes and oscillating rose-cut diamonds feet of similar settings, the diamonds altogether weighing approximately 6.35 carats, mounted in 18 karat white and blackened gold, clip and post fittings.

    Accompanied by GRS reports numbered GRS2005-060923 and GRS2006-061481, dated 27 June 2005 and 23 June 2006 respectively, stating that the 8.82 and 8.42 carat sapphire are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment, GRS type “royal blue” colour.


  548. 548
    Sotheby's | Apr-2009 | Hong Kong | Lot 1278, Cat's-eye Alexandrite and Diamond Ring | GRS2008-121093

    Centring on an oval cat’s-eye alexandrite weighing 5.26 carats, surrounded by brilliant-cut diamonds extending to the shoulders, the diamonds together weighing approximately 1.00 carat, mounted in 18 karat white gold. Ring size: 5½

    Accompanied by GRS report numbered GRS2008-121093, dated 8 December 2008, stating that the 5.26 carat cat’s-eye alexandrite is natural, of Orissan (Indian) origin, colour-changing from Bluish-Green (daylight) to Purple-Red (incandescent light), with no indication of treatments.


  549. 549
    Sotheby's | Apr-2009 | Hong Kong | Lot 1306, Fine Ruby and Diamond Ring | GRS2007-010862

    Set with an oval ruby weighing 5.04 carats, amid a stylised basket micro pavé-set with brilliant-cut diamonds extending throughout the shank, mounted in platinum. Ring size: 6¼

    Accompanied by GRS report numbe GRS2007-010862, 4 January 2007, stating that the 5.04 carat ruby is natural, of Burmese (Myanmar) origin, with no indication of heat treatment, ‘pigeon’s blood’ colour.


  550. 550
    Sotheby's | Apr-2009 | Hong Kong | Lot 1169, Pair of Spinel and Diamond Pendent Ear Clips | GRS2009-011504

    Each suspending a pear-shaped spinel altogether weighing approximately 31.61 carats, surmounted by an old mine-cut diamond altogether weighing approximately 8.65 carats, mounted in 18 karat yellow gold, clip and post fittings.
    Accompanied by GRS report numbered GRS2009-011504, dated 17 January 2009, stating that the two spinels are natural, brownish-pink colour, with no indication of treatments.


  551. 551
    Sotheby's | May-2009 | Geneva | Lot 47, Ruby Ring | GRS2007-012550

    Set with a sugar loaf cabochon ruby weighing 5.18 carats, between buff-topped calibré-cut rubies, mounted in platinum, size 53.

    Accompanied by GRS report no. GRS2007-012550 stating that the cabochon ruby is of Burmese origin, with no indication of thermal treatment.


  552. 552
    Sotheby's | May-2009 | Geneva | Lot 109, Sapphire, Peridot, Spinel and Diamond Pendant | GRS2004-080725

    Set with a rectangular cabochon spinel weighing 3.49 carats, a buff-toped cabochon peridot and an hexagonal step-cut sapphire weighing 14.27 carats, spaced by a trapeze and a square step-cut diamond, the borders and bail set with brilliant-cut diamonds, to a fine platinum chain, length approximately 420mm.

    Accompanied by GRS report no. GRS2004-080725 stating that the spinel is natural stating that the sapphire is of Burmese origin, with no indications of heating.


  553. 553
    Christie's | May-2009 | Hong Kong | Lot 1517, A Colourless Sapphire and Diamond Ring | GRS2006-080868

    Set with a rectangular-shaped colourless sapphire weighing 9.04 carats, flanked on either side by a tapered baguette-cut diamond, mounted in white gold, ring size 6¼

    Accompanied by report no. GRS2006-080868 dated 8 September 2006 from the Gem Research Swiss Lab stating that the 9.04 carat colourless sapphire is of Burma (Myanmar) origin, with no indication of thermal treatment


  554. 554
    Christie's | May-2009 | Hong Kong | Lot 1527, A Star Sapphire, Star Ruby and Diamond Ring | GRS2007-082445

    Centering upon a star sapphire weighing 5.11 carats, within a star ruby surround, accented by brilliant-cut diamonds, mounted in white gold, ring size 6

    Accompanied by report no. GRS2007-082445 dated 29 August 2007 from the Gem Research Swiss Lab stating that the 5.11 carat star sapphire is of Sri Lanka origin with no indication of thermal treatment


  555. 555
    Christie's | May-2009 | Hong Kong | Lot 1635, A Spessartite Garnet and Diamond Ring | GRS2008-121101

    Set with a circular-cut spessartite garnet within a brilliant and marquise-cut diamond surround, to the pavé-set diamond quarter-hoop, mounted in 18k white gold, ring size 7½

    Accompanied by report no. GRS2008-121101 dated 8 December 2008 from the Gem Research Swiss Lab stating that the 21.53 carat spessartite garnet is of Burma (Myanmar) origin with no indication of treatments


  556. 556
    Christie's | May-2009 | Hong Kong | Lot 1649, A Ruby and Diamond Necklace | GRS2008-071624

    Designed as a line of thirty-nine graduated oval-shaped rubies alternating with oval-shaped diamonds, mounted in white gold, 40.0 cm long

    Accompanied by report no. GRS2008-071624 dated 10 July 2008 from the Gem Research Swiss Lab stating that the thirty-nine oval-shaped rubies weighing a total of 60.26 carats are of Burma (Myanmar) origin, vivid red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment


  557. 557
    Christie's | May-2009 | Hong Kong | Lot 1703, A Pair of Sapphire, Pearl and Diamond Ear Pendants | GRS2009-022218

    Each suspending a cabochon sapphire weighing 9.06 and 8.42 carats, joined to the rose-cut diamonds, a pearl spacer and diamond hook, mounted in 18k white gold, 4.5 cm long

    Accompanied by report no. GRS2009-022218 dated 27 February 2009 from the Gem Research Swiss Lab stating that the 9.06 and 8.42 carat sapphires are of Burma (Myanmar) origin with no indication of thermal treatment


  558. 558
    Christie's | May-2009 | Hong Kong | Lot 1526, A Pair of Star Ruby, Star Sapphire and Diamond Ear Pendants | GRS2008-042606, 2008-042607

    Each suspending a star sapphire weighing 20.47 carats or a star Ruby weighing 17.61 carats, to the pave -set diamond gallery, joined to a rose-cut diamond spacer and hook, mounted in 18k white gold, 3.5 tell long

    Accorrrpanied by two reports nos. GRS2008-042606 and GRS2008-042607 dated 26 April 2008 from the Gem Research Swiss Lab stating that 20.47 carats star sapphire and 17.61 carats carat star ruby are of Burma (Myanmar) origin, with no indication of thermal treatment.


  559. 559
    Christie's | May-2009 | Hong Kong | Lot 1647, A Pair of Ruby and Diamond Ear Pendants | GRS2008-112393

    Each suspending an oval-shaped ruby weighing 3.12 and 2.92 carats, joined to a cluster of three oval-shaped rubies, to the quatrefoil half-moon diamond surmount and diamond hook, mounted in white gold, 4.0 cm long.

    Accompanied by report no. GRS2008-112393 dated 25 November 2008 from the Gem Research Swiss Lab statingg that the eight oval-shaped rubies are of Burma (Myanmar) origin, vivid red colour (GRS type “Pigeon’s blood”), with no indication of thermal treatment


  560. 560
    Christie's | May-2009 | Hong Kong | Lot 1724, A Superb Ruby and Diamond Ring, by Wallace Chan |

    Centering upon an oval-shaped ruby weighing 3.04 carats, surrounded by eight oval-shaped rubies weighing 9.20 carats, enhanced by a row of eight brilliant-cut diamonds weighing 3.96 carats, to the pavé-set diamond gallery and three quarter scalloped hoop, mounted in titanium, ring size 6

    Signed Wallace Chan

    Accompanied by nine reports dated from 17 December 2007 to 18 February 2008 from the Gem Research Swiss Lab with the following detail:

    Weight Origin Treatment
    3.04 Burma (Myanmar) Pigeon’s blood No heat
    1.52 Burma (Myanmar) Pigeon’s blood No heat
    1.46 Burma (Myanmar) Pigeon’s blood No heat
    1.34 Burma (Myanmar) Pigeon’s blood No heat
    1.31 Burma (Myanmar) Pigeon’s blood No heat
    1.06 Burma (Myanmar) Pigeon’s blood No heat
    1.01 Burma (Myanmar) Pigeon’s blood No heat
    0.77 Burma (Myanmar) Pigeon’s blood No heat
    0.73 Burma (Myanmar) No heat


  561. 561
    Bonhams | May-2009 | Hong Kong | Lot 1361, A Ruby and Diamond Ring | GRS2007-030767

    The central cushion-shaped ruby, weighing 8.68 carats, within a brilliant-cut diamond scallop surround, the shank pavé-set with brilliant-cut diamonds, mounted in 18k white gold, ring size 5¾.

    Accompanied by a certificate from the Gemresearch Swisslab, stating that the 8.68 carats ruby is of Burmese (Myanmar) origin, natural vivid red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment. Report number GRS2007-030767, dated 8th March 2007


  562. 562
    Bonhams | Sep-2009 | London | Lot 87, A Demantoid Garnet and Diamond Cluster Ring | GRS2008-121042

    The oval mixed-cut demantoid garnet, weighing 12.19 carats, within a brilliant-cut diamond surround, diamonds approximately 3.20 carats total, ring size R

    Accompanied by a GRS certificate, stating that the stone is a natural demantoid andradite garnet with no indication of treatment. Certificate number GRS2008-121042, dated 8th December 2008.


  563. 563
    Sotheby's | Oct-2009 | Hong Kong | Lot 1507, Ruby and Diamond Bracelet | GRS2009-051805

    Composed of thirty oval rubies together weighing 39.41 carats, along a zigzag link of brilliant-cut diamonds, accented with articulated pear-shaped diamonds, the diamonds together weighing approximately 20.30 carats, mounted in 18 karat white and yellow gold, .length approximately 160mm.

    Accompanied by GRS report numbered GRS2009-051805, dated 26 May 2009, stating that the 39.41 carat rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment


  564. 564
    Sotheby's | Oct-2009 | Hong Kong | Lot 1496, Pair of Ruby and Diamond Ear Studs | GRS2008-021717

    The crescent-shaped ear studs, each centring on an oval ruby weighing 3.01 and 2.81 carats respectively, decorated with marquise- and pear-shaped diamonds altogether weighing approximately 3.90 carats, mounted in 18 karat white and yellow gold.

    Accompanied by GRS report numbered GRS2008-021717, dated 12 February 2008, stating that the 3.01 and 2.81 carat rubies are natural, of Burmese (Myanmar) origin, Vivid Red (GRS type “pigeon’s blood”) colour, with no indication of thermal treatment.


  565. 565
    Sotheby's | Oct-2009 | Hong Kong | Lot 1388, Sapphire and Diamond Ring | GRS2008-011083

    Centring on a cushion-shaped sapphire weighing 4.49 carats, surrounded by pear-shaped rose- and brilliant-cut diamonds together weighing approximately 1.45 carats, mounted in 18 karat white gold. Ring size: 6

    Accompanied by GRS report numbered GRS2008-011083, date 7 January 2008, stating that the 4.49 carat sapphire is natural, of Kashmir origin, with no indication of thermal treatment.


  566. 566
    Sotheby's | Oct-2009 | Hong Kong | Lot 1313, Ruby and Diamond Ring | GRS2006-100984

    Set with an oval ruby weighing 2.06 carats, flanked on each side with a shield-shaped diamond, to a brilliant-cut diamond support, mounted in platinum. Ring size: 6 1/2

    Accompanied by GRS reports number GRS2006-100984, dated 18 October 2006, stating that the 2.06 carat ruby is natural, of Burmese (Myanmar) origin, with no indications of heating, also known as ‘Pigeon’s Blood Red’ in the trade.


  567. 567
    Sotheby's | Oct-2009 | Hong Kong | Lot 1304, Alexandrite and Diamond Ring | GRS2003-02666

    Centring on a cushion-shaped alexandrite weighing 5.09 carats, surrounded by brilliant-cut diamonds together weighing approximately 1.80 carats, mounted in platinum.Ring size: 6 1/2

    Accompanied by GRS report numbered GRS2003-02666, dated 19 February 2003, stating that the 5.09 carat alexandrite is natural, prominent color change from “olive” green (daylight) to “salmon” red (incandescent light), with no traces of radioactivity detected.


  568. 568
    Sotheby's | Oct-2009 | Hong Kong | Lot 1259, Pair of Ruby and Coloured Diamond Pendent Earrings | GRS2009-082143

    Each suspending on a tumbled ruby altogether weighing 17.73 carats, framed by brilliant-cut yellow diamonds, surmounted by four circular rose-cut yellow diamonds, alternated by black diamond-set bows, the rose- and brilliant-cut yellow diamonds altogether weighing approximately 9.75 and 2.15 carats respectively, mounted in 18 karat yellow and blackened gold.

    Accompanied by GRS report number GRS2009-082143, dated 1 September 2009., stating that the rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  569. 569
    Sotheby's | Oct-2009 | Hong Kong | Lot 1467, Pair of Yellow Sapphire and Diamond Pendent Earrings | GRS2009-051277

    Each suspending a cushion-shaped yellow sapphire weighing 6.53 and 6.20 carats respectively, framed by single-cut diamonds extending to the hook surmount, spaced by an emerald-cut diamond, mounted in 18 karat yellow gold.

    Accompanied by GRS report numbered GRS2009-051277, dated 18 May 2009, stating that the 6.53 and 6.20 carats sapphires are natural, of Sri Lankan origin, with no indication of thermal treatment.


  570. 570
    Sotheby's | Oct-2009 | Hong Kong | Lot 1510, Pair of Emerald and Diamond Pendent Earrings | 4 Reports

    Each set with two circular-cut emeralds altogether weighing 17.53 carats, linked by baguette and brilliant-cut diamonds, suspending a fringe of pear-shaped diamonds, the diamonds altogether weighing approximately 3.20 carats, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS2009-051495 to GRS2009-051498, dated 22 May 2009, stating that the 4.47, 4.43, 4.41 and 4.22 carat emeralds are natural, Vivid Green colour, of Colombian origin, with no clarity enhancement.


  571. 571
    Sotheby's | Oct-2009 | Hong Kong | Lot 1486, Pair of Ruby and Diamond Pendent Earrings | GRS2008-040969

    Each pendant of bell form composed of pear-shaped and oval rubies and oval diamonds, suspending articulated pear-shaped diamonds, surmounted by a cluster of pear-shaped diamonds, to a diamond-set hook, the rubies altogether weighing 31.69 carats, and diamonds altogether weighing approximately
    4.20 carats, mounted in platinum and 18 karat yellow gold.

    Accompanied by GRS report numbered GRS2008-040969, dated 1 April 2008, stating that the 31.69 carat rubies are natural, red to vivid red (GRS type “pigeon’s blood”) colour, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  572. 572
    Sotheby's | Oct-2009 | Hong Kong | Lot 1498, Pair of Sapphire and Diamond Pendent Earrings | 3 Reports

    Each set with two cushion-shaped sapphires weighing 4.25 and 4.06 carats, surmounted by two oval sapphires weighing 1.75 and 1.73 carats, within stylised scrolls set with brilliant-cut diamonds, the diamonds altogether weighing approximately 2.30 carats, .pendant detachable.

    Accompanied by GRS reports numbered GRS2007-071869, GRS2007-071870 and GRS2009-060078T, dated 21 July 2007 and 29 June 2009, stating that the 4.25, 4.06, 1.75 and 1.73 carat sapphires are natural, Vivid Blue (GRS type “royal blue”) colour, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  573. 573
    Sotheby's | Oct-2009 | Hong Kong | Lot 1350, Tsavorite Garnet and Diamond Ring | GRS2008-031093

    Set with a cushion-shaped mint-coloured tsavorite garnet weighing 30.62 carats, framed by single-cut diamonds extending to the split shoulders, mounted in 18 karat white gold. Ring size: 6 1/2.

    Accompanied by GRS report numbered GRS2008-031093, dated 5 March 2008, stating that the 30.62 carats tsavorite garnet is natural green grossularite, neon green colour, with no indication of treatments, accompanied by a special comment for it’s large size, excellent brilliancy and transparency.


  574. 574
    Sotheby's | Oct-2009 | Hong Kong | Lot 1505, Sapphire and Diamond Ring | GRS2008-071590

    Centring on a cushion-shaped sapphire weighing 7.02 carats, surrounded by brilliant-cut diamonds together weighing approximately 1.95 carats, mounted in 18 karat white gold. Ring size: 5 3/4

    Accompanied by GRS report numbered GRS2008-071590, dated 11 July 2008, stating that the 7.02 carat sapphire is natural, of Burmese ( Myanmar) origin, GRS type “royal blue” colour, with no indication of thermal treatment. Sapphires which have not been heated are scarce.


  575. 575
    Sotheby's | Oct-2009 | Hong Kong | Lot 1321, Pair of Sapphire and Diamond Ear Clips | GRS2008-071703, 2008-071409

    Each set with a cabochon sapphire weighing 9.68 and 9.62 carats respectively, encircled by brilliant-cut diamonds, the diamonds altogether weighing approximately 8.30 carats, mounted in platinum, .clip and post fittings.

    Accompanied by GRS reports numbered GRS2008-071703 and GRS2008-071409, dated 15 and 10 July 2008, stating that the 9.68 and 9.62 carat sapphires are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  576. 576
    Sotheby's | Oct-2009 | Hong Kong | Lot 1485, Alexandrite and Diamond Ring | GRS2008-031185

    Centring on an oval alexandrite weighing 4.02 carats, decorated with pear-shaped rose- and brilliant-cut diamonds extending to the shoulders, the diamonds together weighing approximately 2.10 carats, mounted in 18 karat white gold.

    Accompanied by GRS report numbered GRS2008-031185, dated 1 March 2008, stating that the 4.02 carat alexandrite is natural, of Brazilian origin, colour-changing from blue-green (daylight) to purple-red (incandescent light), with no indication of treatments.


  577. 577
    Sotheby's | Oct-2009 | Hong Kong | Lot 1415, Pair of Purple Spinel and Diamond Cufflinks and A Matching Ring | GRS2009-051274, 2009-051273

    The pair of cufflinks each set with a sugar loaf cabochon purple spinel altogether weighing approximately 21.15 carats, the surrounds and terminals decorated with single-cut diamonds; and a matching ring set with a spinel weighing approximately 13.94 carats, mounted in 18 karat pink gold, .signed. Agapoff. Ring size: 8 1/4

    Accompanied by GRS reports numbered GRS2009-051274 and GRS2009-051273, dated 18 May 2009, stating that the 21.15 and 13.94 carat spinels are natural, purple colour, of Burmese origin, with no indication of treatments.


  578. 578
    Christie's | Oct-2009 | Hong Kong | Lot 2203, A Pair of Spinel Ear Pendants | GRS2008-062436

    Each set with an oval-shaped spinel within a pierced gold surround, joined to the disc spacer and polished gold boule, mounted in 18k gold, 4.5 cm long

    Accompanied by report no. GRS2008-062436 dated 17 June 2008 from the Gem Research Swiss Lab stating that the two spinels weighing 8.09 carats are of Burma (Myanmar) origin, with no indication of treatments

    The total weight of the spinels is 8.09 carats


  579. 579
    Christie's | Oct-2009 | Hong Kong | Lot 2285, A Pair of Sapphire and Diamond Ear Pendants | GRS2009-062180

    Each designed as a cascade of pear-shaped sapphires within a pavé-set diamond surround, to the brilliant-cut diamond detail, mounted in 18k white gold, 8.5 cm long

    Accompanied by report no. GRS2009-062180 dated 10 August 2009 from the Gem Research Swiss Lab stating that the thirty-two pear-shaped sapphires are of Burma (Myanmar) origin, with no indication of thermal treatment

    The total weight of the sapphires is 50.82 carats


  580. 580
    Christie's | Oct-2009 | Hong Kong | Lot 2291, A Ruby and Diamond Ring | GRS2008-033098

    Centering upon a cushion-shaped ruby weighing 4.04 carats, within a pavé-set diamond surround, gallery and three quarter-hoop, mounted in platinum and 18k yellow gold, ring size 5

    Accompanied by report no. GRS2008-033098 dated 31 March 2008 from the Gem Research Swiss Lab stating that the 4.04 carat ruby is of Burma (Myanmar) origin, vivid red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment


  581. 581
    Christie's | Oct-2009 | Hong Kong | Lot 2358, A Pair of Star Ruby Ear Pendants | GRS2004-070079T, 2003-090068

    Each suspending a star ruby weighing 11.50 and 9.71 carats, within a rose-cut diamond surround, to the diamond-set hook, mounted in 18k white gold, 3.5 cm long

    Also accompanied by two reports nos. GRS2004-070079T dated 5 July 2004 and GRS2003-090068 dated 3 September 2003 from the Gem Research Swiss Lab stating that the 11.50 and 9.71 carat star rubies are of Burma (Myanmar) origin with no indication of thermal treatment


  582. 582
    Christie's | Oct-2009 | Hong Kong | Lot 2419, A Ruby and Diamond Ring | GRS2009-031715

    Set with a cushion-shaped ruby weighing 5.01 carats, to the cushion-shaped diamond shoulders weighing 1.14 and 1.08 carats, mounted in 18k white and yellow gold, ring size 5½

    Report no. GRS2009-031715 dated 18 March 2009 from the Gem Research Swiss Lab stating that the 5.01 carat ruby is of Burma (Myanmar) origin, vivid red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment; with special comment stating rare combination of size, good brilliancy and spared of thermal enhancement


  583. 583
    Sotheby's | Oct-2009 | Melbourne | Lot 52, A Burmese Ruby and Diamond Ring | GRS2007-011865

    Set to the centre with a cushion-cut Burmese ruby weighing 2.61 carats within a border of single-cut diamonds, flanked by two cushion-cut diamonds together weighing 1.69 carats within a similarly-set border

    Accompanied by GRS Gemstone Report No. 2007-011865 stating that the ruby is a natural vivid red (GRS type ‘pigeon’s blood’), origin Burma, displaying excellent brilliancy and clarity

    stamped Hardy Bros. MO, 18 carat gold


  584. 584
    Bonhams | Nov-2009 | Hong Kong | Lot 522, A Ruby and Diamond Ring | GRS2007-062131

    The oval-cut ruby, weighing 5.07 carats, within an oval-cut ruby and brilliant-cut diamond surround, to diamond shoulders in crossover formation, mounted in 18k white gold, ring size 5½.

    Accompanied by a certificate from Gemresearch Swisslab, stating that the 5.07 carats ruby is of Burmese (Myanmar) origin, natural vivid red colour (GRS type “pigeon’s blood), with no indications of thermal treatment. Report number GRS2007-062131/Duplicated, dated 15th June 2007.


  585. 585
    Bonhams | Nov-2009 | Hong Kong | Lot 592, A Ruby and Diamond Ring | GRS2007-061948

    The oval-cut ruby, weighing 4.15 carats, within a brilliant-cut diamond surround, mounted in 18k yellow gold and platinum, diamonds approximately 1.50 carats total, ring size 6¼.

    Accompanied by a gemmological report from the Gemresearch Swisslab, stating that the ruby is natural vivid red (GRS type “pigeon’s blood”), originates from Burma (Mogok, Myanmar) and has no indication of thermal treatment. Report number GRS2007-061948, dated 13th June 2007.


  586. 586
    Bonhams | Nov-2009 | Hong Kong | Lot 538, A Sapphire and Diamond Ring | GRS2008-050146T

    Set at the centre with a sugarloaf cabochon sapphire, weighing 29.33 carats, flanked by fancy-cut diamonds, to a brilliant-cut diamond gallery and bifurcated shoulders, mounted in 18k white gold, diamonds approximately 2.70 carats total, ring size 5¼.

    Accompanied by a gemmological report from the Gemresearch Swisslab, stating that the sapphire is natural vivid blue (GRS type “royal blue”), originates from Sri Lanka and has been enhanced by heat (no residues present). Report number GRS2008-050146T, dated 7th May 2008.


  587. 587
    Sotheby's | Dec-2009 | London | Lot 14, RUBY AND DIAMOND RING | GRS2009-072321

    Centring on a cushion-shaped ruby weighing 5.07 carats, between brilliant-cut diamonds weighing 0.59 carats each, the shoulders highlighted with similarly cut stones, size M.

    Accompanied by GRS report no.GRS2009-072321 stating that the natural ruby is heated with an origin opinion of Sri Lanka.


  588. 588
    Sotheby's | Dec-2009 | London | Lot 456, Sapphire and Diamond Ring | GRS2008-101780

    Centring on a cushion-shaped sapphire weighing 7.23 carats, framed with circular-cut and old mine diamonds, size M.

    Accompanied by GRS report no. GRS2008-101780, stating that the sapphire is of Burmese origin, with no indication of heating.


  589. 589
    Sotheby's | Dec-2009 | London | Lot 285, Pair of Sapphire and Diamond Ear Pendants | GRS2008-112383

    Each of cascade design, the surmount centring on an oval sapphire within a border of brilliant-cut and baguette diamonds, suspending three articulated lines of oval and cushion-shaped sapphires accented with oval and brilliant-cut diamonds, post and butterfly fittings.

    Accompanied by GRS report no.GRS2008-112383, stating that the earrings contain 38 natural sapphires with no indication of thermal treatment and 37 have an origin opinion of Burma (Myanmar).


  590. 590
    Sotheby's | Mar-2010 | London | Lot 18, Ruby and Diamond Ring | GRS2010-011461

    Centering on an elongated oval ruby weighing 2.71 carats, to a border and shoulders millegrain-set with brilliant-cut diamonds, size M.

    Accompanied by GRS report no.GRS2010-011461, stating that the ruby was found to be natural with no indications of heat treatment, with an origin opinion of Mozambique.


  591. 591
    Sotheby's | Mar-2010 | London | Lot 19, Tourmaline and Diamond Ring | GRS2010-011770

    Centering on an oval tourmaline weighing 11.59 carats, within a scalloped border millegrain-set with brilliant-cut diamonds, size N.

    Accompanied by GRS report no.GRS2010-011770, stating that the tourmaline was found to be natural bluish-green.


  592. 592
    Sotheby's | Mar-2010 | London | Lot 41, Yellow Sapphire and Diamond Ring | GRS2009-121313

    Centering on an cut-cornered mixed-cut yellow sapphire weighing 14.41 carats, to shoulders set with demi-lune diamonds within surrounds of brilliant-cut stones, size L¾.

    Accompanied by GRS report no. GRS2009-121313, stating that the yellow sapphire was found to be natural with an origin opinion Sri Lanka.


  593. 593
    Bonhams | Mar-2010 | London | Lot 352, A pair of ruby and diamond cluster earrings | GRS2008-071506

    Each circular-cut ruby, within a brilliant-cut diamond surround, diamonds approx. 0.75ct. total, length 1.7cm.

    Accompanied by a certificate from the Gem Research Swisslab (GRS) stating that both rubies are natural and of Burmese origin with no indication of heat treatment. Certificate number GRS2008-071506, dated 28th July 2008.


  594. 594
    Sotheby's | Apr-2010 | Hong Kong | Lot 1173, Cat's-eye Chrysoberyl and Diamond Ring | GRS2006-080055T

    Set with an oval cabochon cat’s-eye chrysoberyl weighing 12.32 carats, framed by brilliant-cut diamonds extending to the cross split shoulders, mounted in 18 karat white gold. Ring size: 6

    Accompanied by GRS report numbered GRS2006-080055T, dated 17 August 2006, stating that the 12.32 carat cat’s-eye chrysoberyl is natural, GRS type “honey-color”, with no traces of radioactivity detected.


  595. 595
    Sotheby's | Apr-2010 | Hong Kong | Lot 1905, Pink Tourmaline, Pink Spinel and Diamond Ring | GRS2008-012315

    Set with an oval-shaped pink tourmaline weighing 40.78 carats, encircled by brilliant-cut diamonds, within a stylised diamond basket, accented by four pink spinels, the diamonds and spinels together weighing approximately 1.95 and 1.70 carats respectively, mounted in 18 karat yellow gold, signed “Agapoff”. Ring size: 6¾

    Accompanied by GRS report numbered GRS2008-012315, dated 23 January 2008, stating that 40.78 carat is natural, pink colour, with no indication of treatments.


  596. 596
    Sotheby's | Apr-2010 | Hong Kong | Lot 1392, Spessartite Garnet and Diamond Ring and Pair of Matching Pendent Earrings | GRS2010-011465, 2010-011466

    The ring centring on a cushion-shaped spessartite garnet weighing 10.12 carats, flanked on each side with a cushion-shaped old mine-cut diamond, framed by brilliant-cut diamonds, the diamonds together weighing approximately 1.55 carats; and pair of matching pendent earrings, each suspending a similarly-shaped spessartite garnet weighing 7.06 and 6.05 carats respectively, to a cushion-shaped old mine-cut diamond surmount, the diamonds altogether weighing approximately 1.60 carats; mounted in 18 karat pink gold. Ring size: 6½

    Accompanied by GRS report numbered GRS2010-011465 and GRS2010-011466, dated 9 January 2010, stating that the spessartite garnets are natural, with no indication of treatments.


  597. 597
    Sotheby's | Apr-2010 | Hong Kong | Lot 1395, Tsavorite Garnet and Fancy Intense Yellow Diamond Ring | GRS2008-121233

    Centring on an oval tsavorite garnet weighing 3.89 carats, flanked on each side with an oval fancy intense yellow diamond weighing 1.14 and 1.14 carats respectively, mounted in 18 karat white and yellow gold. Ring size: 6.

    Accompanied by GRS report numbered GRS2008-121233, dated 13 December 2008, stating that the 3.89 carat tsavorite garnet is natural, vivid green colour, of Tanzanian origin, with no indication of treatments.


  598. 598
    Sotheby's | Apr-2010 | Hong Kong | Lot 1400, Sapphire and Diamond Ring, Cartier | GRS2009-072454

    Set with an oval sapphire weighing 11.50 carats, to a stylised shoulder composed of marquise-shaped diamonds, highlighted by brilliant-cut diamonds, mounted in 18 karat yellow gold, signed and numbered 27040.Ring size: 6¼

    Accompanied by GRS report numbered GRS2009-072454, dated 25 July 2009, stating that the 11.50 carat sapphire is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  599. 599
    Sotheby's | Apr-2010 | Hong Kong | Lot 1401, Pair of Melo Pearl, Diamond and Emerald Pendent Earrings | GRS2009-051248, 2009-051250

    Each suspending on an oval melo pearl measuring approximately 17.01 x 15.28 x 13.53mm and 16.63 x 15.15 x 13.90mm respectively, embraced by an oblong marquise-shaped frame set with brilliant-cut diamonds highlighted by circular-cut emeralds, surmounted and anchored by a pear-shaped rose-cut diamond linked by a cabochon emerald, the diamonds altogether weighing approximately 2.80 carats, mounted in 18 karat white gold.

    Accompanied by GRS reports numbered GRS2009-051248 and GRS2009-051250, dated 16 May 2009, stating that the 27.32 and 27.50 carat melo-pearls are natural.


  600. 600
    Sotheby's | Apr-2010 | Hong Kong | Lot 1455, Pair of Emerald and Diamond Pendent Earrings | GRS2008-120975

    Each suspending a cushion-shaped emerald weighing 13.61 and 12.06 carats respectively, to a cushion-shaped diamond surmount weighing 1.02 and 1.01 carats respectively, completed by a brilliant-cut diamond-set hook, mounted in 18 karat white gold.

    Accompanied by GRS report numbered GRS2008-120975, dated 3 December 2008, stating that the 13.61 and 12.06 carat emeralds are natural, vivid green colour, of Colombian origin, with insignificant clarity enhancement.


  601. 601
    Sotheby's | Apr-2010 | Hong Kong | Lot 1473, Padparadscha and Diamond Ring | GRS2007-022137

    Centring on a cushion-shaped padparadscha sapphire weighing 4.03 carats, framed by pavé-set brilliant-cut diamonds extending to the basket and shoulders, mounted in 18 karat white gold. Ring size: 6½

    Accompanied by GRS report numbered GRS2007-022137, dated 1 March 2007, stating that the 4.03 carat padparadscha is natural sapphire, of Sri Lankan origin, orangy-pink colour, with no indication of thermal treatment.


  602. 602
    Sotheby's | Apr-2010 | Hong Kong | Lot 1479, Sapphire and Diamond Ring | GRS2007-092399

    Centring on a sugar loaf cabochon sapphire weighing 10.96 carats, encircled by pear-shaped rose-cut diamonds together weighing approximately 3.85 carats, mounted in 18 karat white gold. Ring size: 6

    Accompanied by GRS report numbered GRS2007-092399, dated 20 September 2007, stating that the 10.96 carat sapphire is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  603. 603
    Sotheby's | Apr-2010 | Hong Kong | Lot 1480, Pair of Ruby and Diamond Ear Clips | GRS2010-012096

    Of flower head design, each composed of seven marquise-shaped cabochon rubies altogether weighing approximately 17.48 carats, the pistil set with a cluster of circular rose-cut diamonds, mounted in 18 karat white gold, clip and post fittings.

    Accompanied by GRS report numbered GRS2010-012096, dated 19 January 2010, stating that the rubies are natural, with no indication of thermal treatment.


  604. 604
    Sotheby's | Apr-2010 | Hong Kong | Lot 1481, Pink Spinel and Diamond Ring | GRS2010-011464

    Centring on an oval pink spinel weighing 12.60 carats, framed by pavé-set brilliant-cut diamonds extending to the basket and shoulders, mounted in 18 karat pink gold. Ring size: 6¾

    Accompanied by GRS2010-011464, dated 14 January 2010, stating that the pink spinel is natural, of Tadjikistani (Pamir Mountains) origin, with no indication of treatments.


  605. 605
    Sotheby's | Apr-2010 | Hong Kong | Lot 1499, Colour-changing Star Sapphire and Diamond Brooch / Pendant | GRS2010-012237

    Of girandole design, centring on an oval colour-changing star sapphire weighing 79.54 carats, within a stylised frame pavé-set with circular-cut diamonds, surmounted by a retractable pendant loop set with an inverted pear-shaped diamond, anchoring three oscillating pear-shaped diamonds, the diamonds together weighing approximately 2.50 carats, mounted in platinum, removable brooch fitting.

    Accompanied by GRS report numbered GRS2010-012237, dated 21 January 2010, stating that the 79.54 carat colour-changing star sapphire is natural, of Sri Lankan origin, colour-changing from blue (daylight) to purple (incandescent light), with no indication of thermal reatment.


  606. 606
    Sotheby's | Apr-2010 | Hong Kong | Lot 1550, Ruby and Diamond Ring | GRS2006-082122

    Centring on a cushion-shaped ruby weighing 11.09 carats, surrounded by rose-cut cushion-shaped and circular-cut diamonds, pavé-set by brilliant-cut diamonds to the support extending to the triple-split shank, the diamonds together weighing approximately 5.00 carats, mounted in 18 karat white gold. Ring size: 6

    Accompanied by GRS report numbered GRS2006-082122, dated 30 August 2006, stating that the ruby is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  607. 607
    Sotheby's | Apr-2010 | Hong Kong | Lot 1577, Sapphire and Diamond Ring | GRS2008-12091

    Centring on a cushion-shaped sapphire weighing 6.08 carats, surrounded by pear-shaped diamonds, the shoulders pavé-set with brilliant-cut diamonds, the diamonds together weighing approximately 3.00 carats, mounted in 18 karat white gold. Ring size: 5¾

    Accompanied by GRS report numbered GRS2008-12091, dated 8 December 2008, stating that the 6.08 carat sapphire is natural, Vivid Blue (GRS type “royal blue”) colour, with no indications of thermal treatment.


  608. 608
    Sotheby's | Apr-2010 | Hong Kong | Lot 1578, Emerald and Diamond Ring | GRS2009-102694

    Centring on a cushion-shaped cabochon emerald weighing 37.85 carats, surrounded by brilliant-cut diamonds together weighing approximately 1.40 carats, mounted in 18 karat white gold. Ring size: 5¾

    Accompanied by GRS report numbered GRS2009-102694, dated 30 October 2009, stating that the 37.85 carat emerald is natural, of Colombian origin, with indications of insignificant clarity enhancement.


  609. 609
    Sotheby's | Apr-2010 | Hong Kong | Lot 1604, Ruby and Diamond Necklace | GRS2008-073916

    Composed of thirty-nine graduated oval rubies together weighing 53.27 carats, alternately-set with thirty-nine oval diamonds together weighing approximately 16.70 carats, mounted in 18 karat white and yellow gold, length approximately 390mm.

    Accompanied by GRS report numbered 2008-073916, dated 28 July 2008, stating that the rubies are natural, of Burmese origin, Vivid Red colour (GRS style “pigeon’s blood”), with no indication of thermal treatment.


  610. 610
    Christie's | Apr-2010 | New York | Lot 89, A Ruby and Diamond Ring | GRS2008-021059

    Set with an octagonal-cut ruby, weighing approximately 9.14 carats, flanked on either side by a rectangular-cut diamond, weighing approximately 1.72 and 1.70 carats, mounted in gold and platinum

    With report GRS2008-021059 dated 31 January 2008 from the GRS GemResearch SwissLab stating that gemmological testing revealed characteristics corresponding to those of a natural ruby from Siam (Thailand). Enhanced by heat (no residues present)


  611. 611
    Christie's | Apr-2010 | New York | Lot 163, A Sapphire and Diamond Ring, By Fred Leighton | GRS2001-07187

    Set with a cushion-cut sapphire, weighing approximately 6.02 carats, flanked on either side by a half-moon diamond, to the circular-cut diamond gallery and hoop, mounted in platinum, ring size 5¾
    Signed Fred Leighton, with maker’s mark for Tanagro

    With report GRS2001-07187 dated 27 July 2001 from the GRS GemResearch SwissLab stating that gemmological testing revealed characteristics corresponding to those of a natural sapphire from Burma (Myanmar). No indication of thermal treatment


  612. 612
    Christie's | Apr-2010 | UAE | Lot 143, Sapphire and Diamond Ring | GRS2008-033605

    Set with a sugarloaf cabochon sapphire weighing 18.92 carats to the pavé-set diamond surround, trifurcated shoulders and half-hoop, ring size 6¾

    Accompanied by report no.GRS2008-033605 dated 31 March 2008 from the GRS Gem Research Swiss Lab stating that the sapphire is of Ceylon (Sri Lanka) origin, with no indications of heating


  613. 613
    Christie's | Apr-2010 | UAE | Lot 169, An Impressive Ruby and Diamond Ring | GRS2005-040975

    Mounted with an oval-shaped ruby weighing 12.99 carats to the pear-shaped and tapered baguette-cut diamond trifurcated shoulders with plain hoop, ring size 6½, stamped “750”

    Accompanied by report no. GRS2005-040975 dated 26 April 2005 from GRS Gem Research Swiss Lab stating that the ruby is of Burmese origin, with no indications of thermal treatment


  614. 614
    Christie's | Apr-2010 | UAE | Lot 79, An Unusual Sapphire, Diamond and Emerald Ring, By Manuel Bouvier | GRS2008-091669

    The cushion-shaped sapphire weighing 65.17 carats to the pear-shaped diamond shoulders weighing a total of 2.87 carats within a pavé-set emerald surround to the similarly set gallery and bifurcated hoop, ring size 6¾, stamped “750”

    With maker’s mark for Manuel Bouvier
    Accompanied by report no. GRS2008-091669 dated 13 September 2008 from the GRS Gem Research Swiss Lab stating that the sapphire is Burmese (Mogok, Pain Pyit) origin, no indication of thermal treatment


  615. 615
    Sotheby's | Oct-2010 | Hong Kong | Lot 1692, Cat's Eye Chrysoberyl and Black Diamond Ring | GRS2009-111738

    Centering on an oval cabochon cat’s-eye chrysoberyl weighing 18.00 carats, to a stylised domed mount pave-set with circular-cut black diamonds, decorated with polished gold pierced shoulders, the black diamonds together weighing approximately 1.50 carats, mounted in 18 karat yellow and blackened gold. Ring size: 8.

    Accompanied by GRS report numbered GRS2009-111738, dated 21 November 2009, stating that the 18.00 carat chrysoberyl is natural, brownish green colour, with no indication of treatments.


  616. 616
    Sotheby's | Oct-2010 | Hong Kong | Lot 1721, Cat's Eye Chrysoberyl and Black Diamond Ring | GRS2006-030597

    Centring on a cabochon cat’s-eye chrysoberyl weighing 18.76 carats, surrounded by pear-shaped rose-cut diamonds, decorated by brilliant-cut diamonds of brown hue, the diamonds together weighing approximately 2.15 carats, mounted in 18 karat white gold. Ring size: 5½.

    Accompanied by GRS report numbered GRS2006-030597, dated 3 March 2006 stating that the 18.76 carat cat’s-eye chrysoberyl is natural, Greenish-Orange colour (GRS type “Honey Colour”), with no traces of radioactivity detected.


  617. 617
    Sotheby's | Oct-2010 | Hong Kong | Lot 1731, Pair of Spinel and Diamond Earrings | GRS2010-070287T, 070303T

    Each centring on an oval spinel weighing 2.46 ar 2 23 carats respectively, framed by brilliant-cut diamonds, to an outer surround of bombe form set with circular-cut spinels altogether weighing approximately 3.50 carats, mounted in 18 karat yellow and blackened gold.

    Accompanied by GRS report numbered GRS2010-070287T and GRS2010-070303T, dated 13 and 15 July 2010 respectively, stating that the 2.46 and 2.23 carat spinels are natural of Burmese (Myanmar) origin, with no indication of treatments.


  618. 618
    Sotheby's | Oct-2010 | Hong Kong | Lot 1738, Ruby and Diamond Bracelet, Cartier | GRS2010-081257

    The articulated bracelet composed of six oval rubies together weighing approximately 7.80 carats, spaced by six marquise-shaped diamonds within brilliant-cut diamond-set frames, the diamonds together weighing approximately 9.60 carats, mounted in platinum, length approximately 170mm, signed.

    Accompanied by GRS report numbered GRS2010-081257, dated 11 August 2010, stating that the rubies are natural, of Siam (Thailand) origin, with no indication of thermal treatment.


  619. 619
    Sotheby's | Oct-2010 | Hong Kong | Lot 1739, Pair of Cat's-eye Alexandrite, Diamond and Yellow Diamond Pendent Earrings | GRS2010-081398

    Each suspending on oval and round cabochon cat’s eye alexandrites altogether weighing approximately 33.93 carats, framed by circular-cut diamonds enhanced by yellow diamonds extending to the surmount, highlighted by a rose-cut diamond, the centre set with an oscillating briolette diamond, the diamonds altogether weighing approximately 2.6 carats, mounted in 18 karat white, yellow and blackened gold.

    Accompanied by a GRS report numbered 2010-081398, dated 25 August 2010 stating that the cat’s-eye alexandrites are natural, with no indication of treatment.


  620. 620
    Sotheby's | Oct-2010 | Hong Kong | Lot 1761, Sapphire and Diamond Necklace | GRS2008-091198

    The necklace set to the front with eleven graduating oval sapphires surrounded and linked by brilliant-cut, pear- and marquise-shaped diamonds, to an oval sapphire-set clasp, the sapphires and diamonds together weighing approximately 28.54 and 42.7 carats respectively, mounted in platinum, length approximately 410mm.

    Accompanied by GRS report numbered GRS2008-091198, dated 16 September 2008, stating that the sapphires are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  621. 621
    Sotheby's | Oct-2010 | Hong Kong | Lot 1763, Alexandrite and Diamond Ring | GRS2010-081209

    Centring on an oval alexandrite weighing approximately 6.82 carats, surouunded by marquise-shaped and oval diamonds together weighing approximately 2.00 carats, mounted in 18 karat white gold. Ring size: 5½.

    Accompanied by GRS report numbered GRS2010-081209, dated 9 August 2010 stating that the 6.82 carat alexandrite is natural, displays prominent colour-change from brownish-green (daylight) to red (incandescent light), with no indication of treatments, and special comment stating this alexandrite has rare combination of size, good brilliancy and prominent colour-change.


  622. 622
    Sotheby's | Oct-2010 | Hong Kong | Lot 1786, Pair of Sapphire and Diamond Ear Clips | GRS2009-062380

    Each composed of five oval sapphires altogether weighing approximately 18 28 carats, embellished by marquise-shaped and brilliant-cut diamonds altogether weighing approximately 4.20 carats, mounted in 18 karat white gold, clip and retractable post fittings.

    Accompanied by GRS report numbered GRS2009-062380, dated 29 June 2009 stating that the sapphires are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  623. 623
    Sotheby's | Oct-2010 | Hong Kong | Lot 1832, 'padparadscha 'sapphire and Diamond Ring | GRS2009-051188

    Set with an oval padparadscha sapphire weighing 5.12 carats, Famed by pear-shaped and brilliant-cut diamonds together weighing approximately 1.80 carats, mounted in 18 karat white gold. Ring size: 5¾.

    companied by GRS report numbered GRS2009-051188, dated 13 May 2009 stating that the 5.12 carat padparadscha sapphire is natural Orangey-Pink colour, with no indication of thermal treatment.


  624. 624
    Sotheby's | Oct-2010 | Hong Kong | Lot 1867, Pink Tourmaline, Tsavorite Garnet and Diamond Ring, Bridges | GRS2010-081205

    Centring on a cushion-shaped pink tourmaline weighing 50.54 carats, amid stylised leaves set with brilliant-cut diamonds and tsavorite garnets, mounted in 18 karat white gold, signed.Ring size: 5½.

    Accompanied by GRS report numbered GRS2010-081205, dated 9 August 2010 stating that the 50.54 carat Elbaite Tourmaline is natural, of Nigerian origin, with no indication of treatments; also accompanied by a signed box.


  625. 625
    Sotheby's | Oct-2010 | Hong Kong | Lot 1868, Star Sapphire and Diamond Pendant | GRS2010-081204

    Centring on a cabochon star sapphire weighing approximately 38.23 carats, set within a double surround of brilliant-cut diamonds together weighing approximately 5.20 carats, mounted in platinum.

    Accompanied by GRS report numbered GRS2010-081204, dated 9 August 2010 stating that the 38.23 carat sapphire is natural, of Sri Lankan origin, with no indication of thermal treatment.


  626. 626
    Sotheby's | Oct-2010 | Hong Kong | Lot 1872, Sapphire Ring | GRS2010-022413

    Centring on a cushion-shaped sapphire weighing 18.48 carats, supported by channel-set calibre-cu sapphires together weighing approximately 8.00 carats, mounted in platinum and 18 karat yellow gold. Ring size: 7¼.

    Accompanied by GRS report numbered GRS2010-022413, dated 26 February 2010, stating that the 18.48 carat sapphire is natural, of Sri Lankan origin, Vivid Blue colour (GRS type “Royal Blue”), with no indication of thermal treatment.


  627. 627
    Sotheby's | Oct-2010 | Hong Kong | Lot 1878, Sapphire and Diamond Ring | GRS2005-060570T

    Centring on an oval sapphire weighing 19.93 carats, framed by brilliant-cut diamonds, within a ballerina setting of tapered baguette diamonds together weighing approximately 1.00 carat, mounted in 18 karat white gold.Ring size: 5¾.

    Accompanied by GRS report numbered GRS2005-060570T, dated 29 June 2005 stating that the 19.93 carat sapphire is natural, of Sri Lankan (Ceylon) origin, with no indication of thermal treatment.


  628. 628
    Sotheby's | Oct-2010 | Hong Kong | Lot 1889, Demantoid Garnet and Diamod Ring | GRS2010-063329

    The cushion-shaped demantoid garnet weighing 5.40 carats, flanked by cushion-shaped diamonds together weighing approximately 1.70 carats, mounted in 18 karat yellow gold. Ring size: 5¼.

    Accompanied by GRS report numbered GRS2010-063329, dated 30 June 2010, stating that the 5.40 carat demantoid is natural of Namibian origin, with no indication of treatment.


  629. 629
    Sotheby's | Oct-2010 | Hong Kong | Lot 1893, Pink Spinel Ring | GRS2010-063327

    Simply set with a cushion-shape pink spinet weigh 15.95 carats, mounted in 18 karat yellow gold. Ring size: 5¾.

    Accompanied by GRS report numbered GRS2010-063327, dated 30 June 2010 stating that the 15.95 carat spinet is natural, of Burmese (Myanmar) origin, Vivid Pink colour, with no indication of treatment


  630. 630
    Sotheby's | Oct-2010 | Hong Kong | Lot 1894, Pair of Spessartite Garnet and Diamond Earrings | GRS2010-022347

    Each suspending an a pear-shaped spessartite garnet altogether weighing approximately 19.60 carats, bordered by brilliant-cut diamonds, supported by a cushion-shaped diamond, the diamonds altogether weighing approximately 1.50 carats, mounted in 18 karat yellow gold.

    Accompanied by GRS report numbered GRS2010-022347, dated 3 March 2010 stating that the 10.17 and 9.43 carat spessartite garnets are natural, Vivid Orange-Yellow colour, with no indication of treatment.


  631. 631
    Sotheby's | Oct-2010 | Hong Kong | Lot 1895, Spessartite Garnetand Diamond Ring | GRS2010-063328

    Centring on a cushion-shaped spessartite garnet weighing 20.32 carats, surrounded by brilliant-cut diamonds, flanked by cushion-shaped diamonds, mounted in 18 karat yellow gold.Ring size: 5¼.

    Accompanied by GRS report numbered GRS2010-063328, dated 30 June 2010, stating that the 20.32 carat spessartite garnet is natural Vivid Orange-Yellow colour, with no indication of treatment.


  632. 632
    Sotheby's | Oct-2010 | Hong Kong | Lot 1931, Emerald and Diamond Neckla Tiffany & Co. | GRS2010-081377

    Composed of five strands of graduated emerald and diamond beads, to a stylised geometric clasp set with brilliant-cut diamonds, the emeralds and diamonds together weighing approximately 131.1 and 72.50 carats respectively, mounted in platinum, signed and numbered 16928194, length approximately 440mm.

    Accompanied by GRS report numbered GRS2010-081377, dated 12 August 2010, stating that the emerald beads are natural, majority of Colombian origin, with None to Minor clarity enhancement.


  633. 633
    Sotheby's | Oct-2010 | Hong Kong | Lot 1946, Star Ruby, Star Sapphire and Diamond Ring | GRS2010-062514

    Centring on a cabochon star ruby weighing 14.74 carats, surrounded by cabochon star rubies together weighing approximately 7.65 carats and cabochon star sapphires together weighing approximately 5.30 carats, embellished by brilliant-cut diamonds together weighing approximately 1.10 carats, mounted in platinum. Ring size: 5½.

    Accompanied by GRS report numbered GRS2010-062514, dated 29 dune 2010, stating that the 14.24 carat star ruby is natural, of Sri Lankan origin, with no indication of thermal treatment.


  634. 634
    Sotheby's | Oct-2010 | Hong Kong | Lot 1960, Ruby and Diamond Necklace and Pair of Matching Ear Clips | GRS2008-073917, 073918

    The articulated floral necklace composed of eighty-nine oval rubies, decorated by marquise-, pear-shaped and brilliant-cut diamonds, suspending from a brilliant-cut diamond necklace, length approximately 410mm; and pair of matching ear clips each composed of ten oval rubies, decorated with marquise-, pear-shaped, and brilliant-cut diamonds, clip fittings the rubies and diamonds altogether weighing approximately 117.00 and 41.75 carats respectively, mounted in platinum.

    Accompanied by GRS reports numbered GRS2008-073917and GRS2008-073918, dated 31 July 2008, stating that the rubies are natural, of Burmese (Myanma) origin, with no indication of thermal treatment; Red to Vivid Red colour (GRS type “Pigeon’s Blood”).


  635. 635
    Sotheby's | Oct-2010 | Hong Kong | Lot 1961, Sapphire and Diamond 'leaf' Brooch | GRS2006-110905

    Designed as a leaf, set with twenty-five oval sapphires and rose-cut diamonds, decorated by brilliant-cut diamonds, the sapphires and diamonds together weighing approximately 33.97 and 8.80 carats respectively, mounted in 18 karat white gold.

    Accompanied by GRS report numbered GRS2006-110905, dated 9 November 2006, stating that the sapphires are natural, of Burmese (Myanmar) origin, Blue to Vivid Blue colour (GRS type “Royal Blue”), with no indications of thermal treatment.


  636. 636
    Sotheby's | Oct-2010 | Hong Kong | Lot 1979, Very Fine Pair of Jadeite, Ruby and Diamond Pendent Earrings | GRS2009-071380, 071381

    Each set with a highly translucent emerald green oval jadeite cabochon, surmounted by a pear-shaped diamond and ruby, bordered by pave-set brilliant-cut diamonds, clip and post fittings, mounted in 18 karat white gold. Jadeite, ruby, diamond cabochons approximately 16.10 x 14.41 x 7.82mm and 16.11 x 14.38 x 7.88mm.

    Accompanied by GRS reports numbered GRS2009-071380 and GRS2009-071381, dated 4 July 2010, stating that the 1.04 and 1.01 carat rubies are natural, of Burmese (Myanmar) origin, Vivid Red (GRS type “pigeon’s blood”) colour, with no indication of thermal treatment.


  637. 637
    Sotheby's | Nov-2010 | Geneva | Lot 327, Sapphire and Diamond Ring | GRS2010-043330

    The cushion-shaped sapphire weighing 6.68 carats, to a mount decorated with brilliant-cut and pear-shaped diamond clusters, mounted in white gold, size 54.

    Accompanied by GRS report number GRS2010-043330 stating that the sapphire is of Ceylon origin, with no indication of thermal treatment


  638. 638
    Sotheby's | Nov-2010 | Geneva | Lot 413, sapphire and diamond demi-parure | GRS2010-081996

    Comprising: a necklace and a pair of pendent earrings, set with oval and circular-cut sapphires and brilliant-cut diamonds, mounted in white gold, necklace length approximately 420mm.

    Accompanied by GRS report no. GRS2010-081996 stating that the sapphires stated to weigh 46.73 carats in total, are of Burmese origin, with no indications of thermal treatment.


  639. 639
    Sotheby's | Nov-2010 | Geneva | Lot 464, Fine Sapphire and Diamond Ring | GRS2009-030961

    The step-cut sapphire weighing 9.10 carats, to a hoop decorated with brilliant-cut stones, mounted in platinum, size 52.

    Accompanied by GRS report no. GRS2009-030961, stating that the sapphire is of Burmese origin, with no indication of heating.


  640. 640
    Christie's | Nov-2010 | Hong Kong | Lot 1833, A Pink Sapphire and Diamond Ring | GRS2006-092702

    Set with a pear-shaped pink sapphire weighing 5.65 carats, within a marquise-cut diamond surround, mounted in platinum, ring size 6.

    Accompanied by report no. GRS2006-092702 dated 6 October 2006 from the Gem Research Swiss Lab stating that the 5.65 carat pink sapphire is of Burma (Myanmar) origin with no indication of thermal treatment


  641. 641
    Christie's | Nov-2010 | Hong Kong | Lot 1842, A Ruby and Diamond Pendent Necklace | GRS2009-112094

    Suspending a detachable oval-shaped ruby pendant weighing 2.04 carats, within a pavé-set diamond twin-row surround, to the fine neckchain with collet-set diamond accents, mounted in platinum, 43.5 cm long.

    Also accompanied by report no. GRS2009-112094 dated 26 November 2009 from the Gem Research Swiss Lab stating that the 2.04 carat ruby is of Burma (Myanmar) origin, vivid red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment.


  642. 642
    Christie's | Nov-2010 | Hong Kong | Lot 1845, A Suite of Ruby and Diamond Jewellery | GRS2002-01493

    Comprising a necklace, the front set with four oval-shaped rubies weighing 4.02, 3.94, 3.54 and 3.00 carats, each within a pavé-set diamond surround, to the collet-set diamond twin row neckchain, mounted in 18k white gold; and a ring set with an oval-shaped ruby weighing 2.06 carats, to the pear-shaped diamond shoulders, mounted in platinum, necklace 40.0 cm long, ring size 5¾.

    Report no. GRS2002-01493 dated 25 January 2002 from the Gem Research Swiss Lab stating that the 2.06 carat ruby is of Burma (Myanmar) origin, vivid red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment


  643. 643
    Christie's | Nov-2010 | Hong Kong | Lot 1846, Three Strands of Sapphire Necklaces | GRS2009-091452, 0901453, 09145

    Each comprising a series of thirty-seven graduated oval and cushion-shaped sapphires weighing a total of 42.30, 42.25 and 40.10 carats, to the plain gold backchain, 45.0 to 46.0 cm long.

    Accompanied by three reports nos. GRS2009-091452, GRS2009-0901453 and GRS2009-091455 dated 15 September 2009 from the Gem Research Swiss Lab stating that the sapphires are of Burma (Myanmar) origin, blue to vivid blue colour (GRS type “royal blue”), with no indication of thermal treatment


  644. 644
    Christie's | Nov-2010 | Hong Kong | Lot 1897, A Pair of Spinel, Mother-of-pearl and Diamond Earrings | GRS2008-091283

    Each collet-set with an oval-shaped spinel weighing 3.90 and 3.54 carats, within a mother-of-pearl border, to the pavé-set diamond surround, mounted in 18k rose gold, 3.2 cm long

    Accompanied by report no. GRS2008-091283 dated 11 September 2008 from the Gem Research Swiss Lab stating that the 3.90 and 3.54 carat spinels are natural, with no indication of treatments


  645. 645
    Christie's | Nov-2010 | Hong Kong | Lot 1899, A Yellow Sapphire and Diamond Pendent Necklace | GRS2001-03089

    Suspending a detachable pendant set with a cushion-shaped yellow sapphire weighing 37.88 carats, embellished by a pavé-set diamond scalloped border, to the openwork pavé-set diamond bail, joined to the length adjustable fine neckchain accented by collet-set diamonds, mounted in 18k white gold, 38.0 and 41.5 cm long.

    Accompanied by report no. GRS2001-03089 dated 8 March 2001 from the Gem Research Swiss Lab stating that the 37.88 carat yellow sapphire is of Sri Lanka origin, with no indication of thermal treatment


  646. 646
    Christie's | Nov-2010 | Hong Kong | Lot 1900, A Pair of Peridot, Spinel and Garnet Earrings | GRS2010-082457

    Each set with an oval-shaped spessartite garnet stud weighing 6.82 and 6.26 carats, suspending a detachable circular-cut pink spinel weighing 3.08 and 2.88 carats, joined to a detachable cushion-shaped peridot weighing 18.04 and 17.96 carats, mounted in 18k gold, (may be worn together or separately, with a pair of extra diamond-set hoops), 3.7 cm long.

    Accompanied by report no. GRS2010-082457 dated 21 August 2010 from the Gem Research Swiss Lab stating that the two spessartite garnets, two spinels and two peridots are all natural, with no indication of treatments.


  647. 647
    Christie's | Nov-2010 | Hong Kong | Lot 1938, A Jadeite and Diamond Ring | GRS2001-06424

    Set with an oval jadeite cabochon of intense emerald green colour and high translucency, flanked on either side by a diamond cluster, to the pavé-set diamond half hoop, mounted in 18k white gold, cabochon approximately 18.41 x 13.50 x 8.30 mm, ring size 5½.

    Accompanied by report no.GRS2001-06424 dated 27 June 2001 from the Gem Research Swiss Lab stating that the cabochon is natural jadeite and no polymer is detected.


  648. 648
    Christie's | Nov-2010 | Hong Kong | Lot 1961, A Cat's Eye Chrysoberyl and Diamond Ring | GRS2001-06440

    Set with a cat’s eye chrysoberyl weighing 16.02 carats, to the pavé-set diamond surround and three quarter-hoop, mounted in 18k gold, ring size 5½.

    Report no. GRS2001-06440 dated 27 June 2001 from the Gem Research Swiss Lab stating that the cat’s eye chrysoberyl is natural with no traces of radioactivity detected.


  649. 649
    Christie's | Nov-2010 | Hong Kong | Lot 1963, A Cat's Eye Chrysoberyl and Diamond Ring | GRS2001-06431

    Set with a cat’s eye alexandrite weighing 10.02 carats, flanked on either side by an old mine-cut diamond, to the pavé-set diamond quarter-hoop, mounted in 18k gold, ring size 5½.

    Also accompanied by report no. GRS2001-06431 dated 27 June 2001 from the Gem Research Swiss Lab stating that the 10.02 carat cat’s eye alexandrite is a natural chrysoberyl, colour changing from ‘olive’-green (daylight) to ‘salmon’-red (incandescent light), with no traces of radioactivity detected.


  650. 650
    Christie's | Nov-2010 | Hong Kong | Lot 1965, A Star Sapphire and Diamond Ring | GRS2002-07076

    Set with a cabochon star sapphire weighing 76.39 carats, to the pavé-set diamond surround and three quarter-hoop, mounted in 18k white gold, ring size 5½.

    Accompanied by report no. GRS2002-07076 dated 3 July 2002 from the Gem Research Swiss Lab stating that the 76.39 carat sapphire is of Burma (Myanmar) origin, with no indication of thermal treatment.


  651. 651
    Christie's | Nov-2010 | Hong Kong | Lot 1966, A Sapphire, Chalcedony and Diamond Ring | GRS2010-021539

    Centering upon a sugarloaf sapphire weighing 9.13 carats, inlaid within a blue chalcedony accented by a row of brilliant-cut diamonds, mounted in 18k rose gold, ring size 6¼.

    Accompanied by report no. GRS2010-021539 dated 11 February 2010 from the Gem Research Swiss Lab stating that the 9.13 carat sapphire is of Burma (Myanmar) origin, vivid blue colour (GRS type “royal blue”), with no indication of thermal treatment.


  652. 652
    Christie's | Nov-2010 | Hong Kong | Lot 1967, A Star Ruby and Diamond Ring | GRS2009-040576T

    Set with a cabochon star ruby weighing 8.28 carats, accented by brilliant and marquise-cut diamonds, flanked on either side by a heart-shaped diamond within a pavé-set diamond surround, to the diamond-set gallery extending to the bifurcated quarter-hoop, mounted in white gold, ring size 5½.

    Accompanied by report no. GRS2009-040576T dated 29 April 2009 from the Gem Research Swiss Lab stating that the 8.28 carat star ruby is of Burma (Myanmar) origin, with no indication of thermal treatment.


  653. 653
    Christie's | Nov-2010 | Hong Kong | Lot 1970, A PAIR OF STAR RUBY AND DIAMOND EAR PENDANTS | GRS2008-011457, 011458

    Each suspending a floral cluster of buff-top rubies, centering upon a cabochon star ruby pistil weighing 6.03 and 5.02 carats, within a pavé-set diamond surround and link, joined to the trefoil diamond surmount of foliate motif, mounted in 18k rose gold, 4.7 cm long.

    Accompanied by two reports nos. GRS2008-011457 and GRS2008-011458 dated 5 January 2008 from the Gem Research Swiss Lab stating that the 6.03 and 5.02 carat star rubies are of Burma (Myanmar) origin, vivid red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment.


  654. 654
    Christie's | Nov-2010 | Hong Kong | Lot 1972, A Star Ruby and Diamond Bracelet | GRS2010-083365

    Centering upon a series of seven graduated star rubies weighing from 4.56, 5.56, 7.37, 12.31, 7.45, 4.21 and 3.00 carats from clasp, to the openwork diamond scrolls and baguette-cut diamond links, mounted in 18k rose gold, 16.0 cm long.

    Accompanied by report no. GRS2010-083365 dated 30 August 2010 from the Gem Research Swiss Lab stating that the seven star rubies weighing a total of 44.50 carats are of Burma (Myanmar) origin, vivid red (GRS type “pigeon’s blood”), with no indication of thermal treatment.


  655. 655
    Christie's | Nov-2010 | Hong Kong | Lot 2035, An Impressive Ruby and Diamond Necklace | GRS2010-052439

    Designed as a series of thirty graduated oval and cushion-shaped rubies weighing from 4.03 to 1.00 carats, within a marquise, pear and oval-shaped diamond surround, mounted in platinum and 18k gold, 41.0 cm long.

    Report no. GRS2010-052439 dated 2 July 2010 from the Gem Research Swiss Lab stating that the thirty rubies weighing a total of 57.48 carats are of Burma (Myanmar) origin, vivid red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment; also accompanied by an appendix to a Platinum Award No. 566 stating that this necklace is composed of a rare set of rubies from the classical mining areas of Burma (Myanmar) that are characterized by fine colour, good brilliancy and transparency, and spared of thermal enhancement. As the Burmese mines have been dramatically reduced in production, the assemblage of such a set can be considered an impressive effort of collection work. It is a piece of jewellery of remarkable beauty.


  656. 656
    Christie's | Nov-2010 | Hong Kong | Lot 2036, A Stunning Pair of Ruby and Diamond Ear Pendants, By Etcetera | GRS2005-091122, 2006-111356

    Each suspending an oval-shaped ruby weighing 5.02 and 4.24 carats, within a pear-shaped diamond floral surround, spaced by a marquise-cut diamond, to the pear-shaped diamond surmount, mounted in 18k white gold, 4.5 cm long.

    Accompanied by two reports nos. GRS2005-091122 dated 12 September 2005 and GRS2006-111356 dated 10 November 2006 from the Gem Research Swiss Lab stating that the 5.02 and 4.25 carat rubies are of Burma (Myanmar) origin, vivid red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment; with a special comment stating that the 4.25 carat magnificent Burmese ruby possess an extremely rare combination of fine colour, excellent brilliancy, exceptional clarity (eye-clean) and well-balanced proportions. The 5.02 carat ruby is accompanied by a special comment stating that rare combination of size over 5 carats, with excellent transparency and brilliancy and fine colour are rarely encountered


  657. 657
    Sotheby's | Apr-2011 | Hong Kong | Lot 1651, Fine Ruby and Diamond Bracelet |

    The articulated bracelet set with graduated oval and cushion shaped rubies together weighing 25.29 carats, each framed by brilliant cut diamonds, linked by oval diamonds, the diamonds together weighing approximately 34.45 carats, mounted in platinum, length approximately 760mm.

    Accompanied by a GRS report stating that the rubies ranging hom 2.60 to 6.11 carats are natural of Burmese (Myanmar origin, Red to vivid Red (GRS type pigeon’s blood) colour with no indication of thermal treatment


  658. 658
    Sotheby's | Apr-2011 | Hong Kong | Lot 1667, Very Fine Ruby and Diamond Necklace and Pair of Matching Pendent Earrings | GRS2011-012645

    Composed of twenty-six graduating oval and cushion-shaped rubies, each spaced by a cluster of marquise-shaped diamonds, accompanied by a pendant set with a cushion-shaped ruby, framed by pear-shaped diamonds, completed at the back by marquise-shaped diamond links, accented by an oval ruby, length  approximately 405mm, pendant detachable; and pair of matching earrings; the rubies and diamonds altogether weighing approximately 75.56 and 32.50 carats respectively; mounted in 18 karat white and yellow gold.

    Accompanied by by GRS report numbered GRS2011-012645 (Award No 636), dated 26 January 2010, stating that the rubies are natural, of Burmese (Mogok, Myanmar) origin, Vivid Red colour (GRS type “Pigeon’s Blood”), with no indication of thermal treatment and special comment “Extremely rare set of magnificent rubies of excellent colour ‘Pigeon’s Blood’, good brilliancy and transparency and spared of thermal enhancement.”


  659. 659
    Sotheby's | Apr-2011 | Hong Kong | Lot 1671, Important Ruby and Diamond Ring, Bulgari | GRS2010-092136

    Centring on a sugar loaf cabochon ruby weighing 27.67 carats, flanked on each side by a shield-shaped diamond together weighing approximately 3.00 carats, mounted in platinum and 18 karat yellow gold, signed.Ring size: 6½

    Accompanied by by GRS report numbered GRS2010-092136(Award No 605) stating that the 27.67 carat ruby is natural, of Burmese (Myanmar) origin, Vivid Red colour (GRS type “Pigeon’s Blood”), with no gemological evidence of heating.
    Further accompanied by GRS appendix stating that this ruby has very rare combination of size, fine colour and spared of therm enhancement


  660. 660
    Sotheby's | Apr-2011 | Hong Kong | Lot 1510, 'Padparadscha' Sapphire and Diamond Ring | GRS2011-011143

    Centring on a cushion-shaped padparadscha sapphire weighing 3.50 carats, within a double-frame set with brilliant-cut diamonds, extending to the shoulders, mounted in 18 karat white gold.

    Ring size: 5¼
    Accompanied by GRS report numbered GRS2011-011143, dated 11 January 2011, stating that the 3.50 carat padparadscha sapphire is natural, of Madagascar origin, with no indication of thermal treatment.


  661. 661
    Sotheby's | Apr-2011 | Hong Kong | Lot 1519, Cat's-eye Chrysoberyl and Diamond Ring | GRS2011-012768

    Centring on a cabochon cat’s-eye chrysoberyl weighing approximately 11.50 carats, surrounded by pear- and marquise-shaped diamonds together weighing approximately 2.00 carats, mounted in platinum.

    Ring size: 5¾
    Accompanied by GRS report numbered GRS2011-012768, dated 24 January 2011, stating that the approximately 11.50 carat cat’s-eye chrysoberyl is natural, yellowish-green colour, with no indication of thermal treatment.


  662. 662
    Sotheby's | Apr-2011 | Hong Kong | Lot 1525, Emerald and Diamond Ring | GRS2010-081208

    Set with a cushion-shaped emerald weighing 22.44 carats, to a stylised mount pavé-set with brilliant-cut diamonds extending to the split shoulders, mounted in 18 karat white gold.

    Ring size: 5½
    Accompanied by GRS report numbered GRS2010-081208, dated 9 August 2010, stating that the 22.44 carat emerald is natural, of Zambian origin, with minor clarity enhancement.


  663. 663
    Sotheby's | Apr-2011 | Hong Kong | Lot 1529, Sapphire, Yellow Diamond and Diamond Ring | GRS2010-111173

    Centring on a cushion-shaped sapphire weighing 32.60 carats, surrounded by rose-cut diamonds, decorated by circular-cut yellow diamonds, the diamonds together weighing approximately 2.10 carats, mounted in 18 karat white gold.

    Ring size: 6½
    Accompanied by GRS report numbered GRS2010-111173, dated 17 November 2010, stating that the 32.60 carat sapphire is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  664. 664
    Sotheby's | Apr-2011 | Hong Kong | Lot 1549, Unmounted Yellow Sapphire | GRS2010-081207

    An unmounted oval yellow sapphire weighing 53.07 carats.

    Accompanied by GRS report numbered GRS2010-081207, dated 9 August 2010, stating that the 53.07 carat yellow sapphire is natural, of Sri Lankan origin, with no indication of thermal treatment.


  665. 665
    Sotheby's | Apr-2011 | Hong Kong | Lot 1563, Demantoid Garnet and Diamond Ring |

    Centring on three cushion-shaped demantoid garnets together weighing approximately 10.05 carats, to shoulders decorated by brilliant-cut diamonds, mounted in 18 karat yellow gold.

    Ring size: 5¾
    Accompanied by GRS report numbered GRS2011-011502, dated 17 January 2011, stating that the demantoids (Andradite-Garnet) are natural, with no indication of treatments.


  666. 666
    Sotheby's | Apr-2011 | Hong Kong | Lot 1564, Purplish Pink Spinel and Diamond Ring | GRS2011-011505

    Centring on a cushion-shaped purplish pink spinel weighing approximately 10.56 carats, flanked on each side by a cushion-shaped diamond together weighing approximately 1.10 carats, mounted in 18 karat pink gold.

    Ring size: 6½
    Accompanied by GRS report numbered GRS2011-011505, dated 17 January 2011, stating that the spinel is natural, with no indication of treatments.


  667. 667
    Sotheby's | Apr-2011 | Hong Kong | Lot 1565, Red Spinel and Diamond Long Chain Necklace | GRS2011-011209

    Composed of fifty-one bezel-set brilliant- and step-cut red spinels together weighing approximately 85.86 carats, set at intervals with rose-cut diamonds together weighing approximately 5.30 carats, to a clasp set with brilliant-cut diamonds, mounted in 18 karat white gold, length approximately 740mm.

    Accompanied by GRS report numbered GRS2011-011209, dated 12 January 2011, stating that the spinels are natural, Vivid Red and Vivid Orangy Red colour, of Burmese (Myanmar) origin, with no indication of treatments.


  668. 668
    Sotheby's | Apr-2011 | Hong Kong | Lot 1566, Spessartite Garnet and Diamond Ring and Pair of Matching Pendent
    Earrings | GRS2011-011506, 2011-011501

    The ring centring on a cushion-shaped spessartite garnet weighing approximately 10.37 carats, surrounded by brilliant-cut diamonds; and pair of matching pendent earrings, each suspending on a cushion-shaped spessartite garnet together weighing approximately 14.79 carats, surmounted and framed by brilliant-cut diamonds extending to the hook surmount, the diamonds altogether weighing approximately 2.80 carats, mounted in 18 karat pink gold.

    Ring size: 6¾
    Accompanied by GRS report numbered GRS2011-011506 and GRS2011-011501, dated 17 January 2011, stating that the spessartites (‘Mandarin’ Garnet) are natural, with no indication of treatments.


  669. 669
    Sotheby's | Apr-2011 | Hong Kong | Lot 1618, Spinel and Diamond Butterfly Brooch | GRS2011-011500

    Modeled as a butterfly, the body set with two pear-shaped cabochon purple spinel, the wings outlined by brilliant-cut diamonds of colourless, yellow and brown hues, highlighted by four oval purplish pink spinels, the spinels and diamonds together weighing approximately 25.61 and 4.90 carats respectively, mounted in titanium.

    Accompanied by GRS report numbered GRS2011-011500, dated 21 January 2011, stating that the spinels are natural with no indication of treatments.


  670. 670
    Sotheby's | Apr-2011 | Hong Kong | Lot 1637, Fine Pair of Sapphire and Diamond Earrings | GRS2010-122198

    Each centring on an oval sapphire weighing 9.10 and 8.56 carats respectively, surrounded by marquise- and pear-shaped diamonds altogether weighing approximately 5.70 carats, mounted in 18 karat white gold.

    Accompanied by GRS report numbered GRS2010-122198, dated 23 December 2010, stating that the 9.10 and 8.56 carat sapphires are natural, Vivid Blue colour (GRS type “Royal Blue” colour), of Burmese (Myanmar) origin, with no indication of thermal treatment.


  671. 671
    Sotheby's | Apr-2011 | Hong Kong | Lot 1648, Ruby Bracelet | GRS2011-021783

    The straight-line bracelet composed of thirty-nine step-cut rubies together weighing approximately 26.90 carats, mounted in platinum, length approximately 175mm.

    Accompanied by GRS report numbered GRS2011-021783, dated 16 February 2011, stating that the rubies are natural, of Burmese (Mogok, Myanmar) origin, with no indication of heating.


  672. 672
    Sotheby's | Apr-2011 | Hong Kong | Lot 1669, Red Spinel, Pink Sapphire, Amethyst and Diamond Ring, Wallace Chan | GRS2010-051637

    Centring on a cushion-shaped red spinel weighing 9.43 carats, to a stylised mount decorated with cabochon pink sapphires together weighing approximately 3.75 carats, supported by an oval amethyst, highlighted by brilliantcut diamonds extending to the shank, the diamonds together weighing approximately 5.05 carats, mounted in titanium, signed.

    Ring size: 5½
    Accompanied by GRS report numbered GRS2010-051637, dated 24 May 2010, stating that the 9.43 carat spinel is natural, Vivid Red colour, of Burmese (Myanmar) origin, with no indication of treatments.


  673. 673
    Sotheby's | Apr-2011 | Hong Kong | Lot 1680, Tsavorite Garnet and Diamond Ring | GRS2011-011504

    Centring on a cushion-shaped tsavorite garnet weighing approximately 10.21 carats, flanked on each side by a cushion shaped diamond together weighing approximately 1.20 carats, mounted in 18 karat yellow gold.

    Ring size: 6
    Accompanied by GRS report numbered GRS2011-011504, dated 17 January 2011, stating that the tsavorite (Grossularite Garnet) is natural, with no indication of treatments.


  674. 674
    Sotheby's | Apr-2011 | Hong Kong | Lot 1712, Ruby and Diamond Ring | GRS2005-021178

    Centring on an oval ruby weighing 2.23 carats, to a double surround set with brilliant-cut diamonds extending to the shoulders, mounted in 18 karat white gold.

    Ring size: 6
    Accompanied by GRS report numbered GRS2005-021178, dated 26 February 2005, stating that the 2.23 carat ruby is natural, of Burmese (Myanmar) origin, with no indications of thermal treatment.


  675. 675
    Sotheby's | Apr-2011 | Hong Kong | Lot 1714, Emerald and Diamond Ring and Pair of Matching Earrings | GRS2011-011145 to GRS2011-011147

    The ring centring on a step-cut emerald weighing 3.17 carats, surrounded by baguette and brilliant-cut diamonds; and pair of matching earrings each centring on a step-cut emerald weighing 2.83 and 2.70 carats respectively, to a similarly-set diamond surround; the diamonds altogether weighing approximately 7.00 carats, mounted in platinum and 18 karat yellow gold.

    Ring size: 7
    Accompanied by GRS reports numbered GRS2011-011145 to GRS2011-011147, dated 11 January 2011, stating that the 3.17 and 2.83 carat emeralds are natural, of Colombian origin, with insignificant indications of clarity enhancement; the 2.70 carat emerald is natural, of Colombian origin, with minor indications of clarity enhancement.


  676. 676
    Sotheby's | Apr-2011 | Hong Kong | Lot 1715, Star Sapphire and Diamond Ring | GRS2010-091169

    Centring on an oval cabochon star sapphire weighing approximately 22.40 carats, to a ballerina setting of tapered baguette diamonds together weighing approximately 3.20 carats, mounted in platinum.

    Ring size: 6
    Accompanied by GRS report numbered GRS2010-091169, dated 12 September 2010, stating that the 22.40 carat star sapphire is natural, of Sri Lankan origin, with no indication of thermal treatment.


  677. 677
    Sotheby's | Apr-2011 | Hong Kong | Lot 1751, Spessartite Garnet and Diamond Ring | GRS2011-011503

    Centring on a cushion-shaped spessartite garnet weighing approximately 15.21 carats, flanked on each side by a cushion-shaped diamond, framed by brilliant-cut diamonds, the diamonds together weighing approximately 1.40 carats, mounted in 18 karat yellow gold.

    Ring size: 6
    Accompanied by GRS report numbered GRS2011-011503, dated 17 January 2011, stating that the 15.21 carat spessartite (‘Mandarine’ Garnet) is natural, with no indication of treatments.


  678. 678
    Sotheby's | Apr-2011 | Hong Kong | Lot 1754, Pink Sapphire and Diamond Ring | GRS2011-011142

    Of foliage design, centring on a cushion-shaped pink sapphire weighing 10.60 carats, the leaves pavé-set with brilliant-cut diamonds, mounted by 18 karat yellow and white gold.

    Ring size: 5½
    Accompanied by GRS report numbered GRS2011-011142, dated 11 January 2011, stating that the 10.60 carat pink sapphire is natural, of Mozambique origin, with no indication of thermal treatment.


  679. 679
    Sotheby's | Apr-2011 | Hong Kong | Lot 1769, Ruby and Diamond Necklace | GRS2010-072059

    Composed of fifty-three oval and cushion-shaped rubies together weighing approximately 104.60 carats, each framed by brilliant-cut diamonds, linked by brilliant-cut and marquise- shaped diamonds, joined by two similarly-set stylised links, the diamonds together weighing approximately 52.60 carats, mounted in 18 karat white gold, length approximately 430mm.

    Accompanied by GRS report numbered GRS2010-072059, dated 8 September 2010, stating that the rubies are natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  680. 680
    Sotheby's | Apr-2011 | Hong Kong | Lot 1770, Emerald and Diamond Ring |

    Centring on a step-cut emerald weighing 6.75 carats, flanked on each side by two baguette diamonds, mounted in 18 karat white gold.

    Ring size: 5½
    Accompanied by GRS report numbered GRS2005-061249, dated 29 June 2005, stating that the 6.75 carat emerald is natural, of Colombian origin, with no clarity enhancement


  681. 681
    Sotheby's | Apr-2011 | Hong Kong | Lot 1773, Ruby and Diamond Ring | GRS2011-011871

    Centring on an oval ruby weighing approximately 5.07 carats, surrounded by brilliant-cut diamonds together weighing approximately 2.30 carats, mounted in platinum.

    Ring size: 6
    Accompanied by GRS report numbered GRS2011-011871, dated 18 January 2011, stating that the 5.07 carat ruby is natural, of Burmese (Myanmar) origin, with no indication of thermal treatment.


  682. 682
    Sotheby's | Apr-2011 | Hong Kong | Lot 1774, Sapphie and Diamond Necklace | GRS2009-102549

    Suspending nineteen graduated pear-shaped sapphires, each surmounted by an oval or cushion-shaped sapphire, the sapphires together weighing approximately 63.92 carats, to a necklace composed of marquise-shaped and brilliant-cut diamonds together weighing approximately 22.50 carats, mounted in platinum, length approximately 410mm.

    Accompanied by GRS report numbered GRS2009-102549 dated 15 October 2009, stating that the sapphires are natural, of Burmese (Myanmar) origin, Blue to Vivid Blue colour (GRS type “Royal Blue”), with no indication of thermal treatment.


  683. 683
    Christie's | May-2011 | Hong Kong | Lot 3195, A Pair of Star Ruby, Star Sapphire and Diamond Ear Pendants | GRS2001-06418, 2002-05081, 2002-07958

    Each set with a star sapphire cabochon, one weighing 6.58 carats, within a brilliant-cut diamond surround, suspended from a similarly-set star ruby cabochon surmount weighing 6.09 and 4.17 carats, spaced by a reverse-set diamond roundel, mounted in 18k white gold, 3.2 cm long

    Accompanied by report no. GRS2001-06418 dated 27 June 2001 from the Gem Research Swiss Lab stating that the 6.58 carat star sapphire is of Sri Lanka origin with no indication of thermal treatment

    Report no. GRS2002-05081 dated 2 May 2002 from the Gem Research Swiss Lab stating that the 6.09 carat star ruby is natural, with no indication of thermal treatment

    Report no. GRS2002-07958 dated 25 July 2002 from the Gem Research Swiss Lab stating that the 4.17 carat star ruby is of Burma (Myanmar) origin, with no indication of thermal treatment


  684. 684
    Christie's | May-2011 | Hong Kong | Lot 3207, A Ruby and Diamond Necklace | GRS2010-102529

    Set with a series of thirty-four graduated cushion and oval-shaped rubies weighing 56.71 carats total, interspersed with square-shaped diamonds each suspending a pear-shaped diamond terminal, mounted in platinum, 40.5 cm long

    Accompanied by report no. GRS2010-102529 dated 1 December 2010 from the Gem Research Swiss Lab stating that the thirty-four rubies are of Burma (Myanmar) origin, vivid red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment


  685. 685
    Christie's | May-2011 | Hong Kong | Lot 3070, A Sapphire and Diamond Ring, By Van Cleef & Arpels | GRS2010-121784

    Set with a pear-shaped sapphire weighing 3.38 carats, within a brilliant-cut diamond surround, flanked by two pear-shaped sapphires, to the pavé-set diamond half-hoop, mounted in 18k gold, ring size 4½, in navy blue suede Van Cleef & Arpels case
    Signed Van Cleef & Arpels
    Accompanied by report no. GRS2010-121784 dated 17 December 2010 from the Gem Research Swiss Lab stating that the 3.38 carat sapphire is of Ceylon (Sri Lanka) origin, vivid blue colour (GRS type “royal blue”) with indications of heating


  686. 686
    Christie's | May-2011 | Hong Kong | Lot 3020, A Ruby and Diamond Ring | GRS2002-03484

    A RUBY AND DIAMOND RING
    Set with an oval-shaped ruby weighing 4.63 carats, within a pavé-set diamond surround and three quarter-hoop, mounted in 18k white gold, ring size 5½

    Accompanied by report no. GRS2002-03484 dated 25 March 2002 from the Gem Research Swiss Lab stating that the 4.63 carat ruby is of Burma (Myanmar) origin, with no indication of thermal treatment


  687. 687
    Christie's | May-2011 | Hong Kong | Lot 3021, A Set of Ruby and Diamond Jewellery, By Harry Winston | GRS2005-010946

    Designed as a line of nine oval-shaped rubies within brilliant-cut diamond surrounds, joined by chevron-shaped diamond links; and a pair of ear pendants en suite, mounted in platinum, bracelet 15.5 cm long , ear pendants 2.8 cm long, in two blue leather Harry Winston cases

    Signed with maker’s mark for Harry Winston

    Accompanied by report no. GRS2005-010946 dated 14 January 2005 from the Gem Research Swiss Lab stating that the eleven rubies are of Burma (Myanmar) origin, vivid red colour (GRS type “pigeon’s blood”), enhanced by heat, residues insignificant

    The total weight of the certified rubies is 12.58 carats


  688. 688
    Christie's | May-2011 | Hong Kong | Lot 3077, A Tanzanite and Diamond Ring | GRS2001-06428

    Set with an oval-cut tanzanite weighing 26.41 carats, within a brilliant-cut diamond scalloped surround, mounted in 18k white gold, ring size 5¼

    Accompanied by report no. GRS2001-06428 dated 27 June 2001 from the Gem Research Swiss Lab stating that the 26.41 carats tanzanite is natural, enhanced by heat


  689. 689
    Christie's | May-2011 | Hong Kong | Lot 3080, A Spinel Ring | GRS2010-082343

    Set with an oval-shaped spinel weighing 4.50 carats, within a gold beaded border and quarter-hoop, mounted in 18k gold, ring size 4¼

    Accompanied by report no. GRS2010-082343 dated 21 August 2010 from the Gem Research Swiss Lab stating that the 4.50 carat spinel is of Burma (Myanmar) origin, with no indication of treatments


  690. 690
    Christie's | May-2011 | Hong Kong | Lot 3081, A Spinel Diamond Pendant Necklace | GRS2011-031498, 031499

    The detachable pendant set with a pear-shaped spinel weighing 22.68 carats, to the cushion-shaped spinel surmount weighing 3.44 carats, suspended from a gold bead neckchain, mounted in 18k gold, 45.0 cm long.

    Accompanied by 2 reports nos. GRS2011-031499 and GRS2011-031498 dated 2 March 2011 from the Gem Research Swiss Lab stating that the 22.68 and 3.44 carats spinels are of Burma (Myanmar) origin, with no indication of treatments.


  691. 691
    Christie's | May-2011 | Hong Kong | Lot 3087, A Paraiba Tourmaline, Ruby and Diamond Pendent Necklace | GRS2001-06153

    Set with a triangular-shaped paraiba tourmaline weighing 3.16 carats, within a brilliant-cut diamond surround, flanked by oval-shaped rubies, one weighing 1.37 carats, suspending a similarly-set oval-shaped paraiba tourmaline weighing 3.37 carats, spaced by an oval-shaped ruby, to the collet-set diamond accents and neckchain, mounted in 18k white gold, 43.2 cm long (length adjustable)

    Accompanied by report no. GRS2001-06153 dated 12 June 2001 from the Gem Research Swiss Lab stating that the 1.37 carat ruby is of Burma (Myanmar) origin, with no indication of thermal treatment


  692. 692
    Christie's | May-2011 | Hong Kong | Lot 3088, A Group of Unmounted Gemstones | GRS2001-05373, 2001-06144

    Comprising one rectangular-shaped yellowish-brown topaz weighing 88.80 carats, one rectangular-shaped blue fluorite weighing 36.87 carats, and one rectangular-shaped bi-colour tourmaline weighing 27.99 carats

    Accompanied by two reports nos. GRS2001-05373 dated 14 May 2001 and GRS2001-06144 dated 12 June 2001 from the Gem Research Swiss Lab stating that the 88.80 carat topaz and the 36.87 carat fluorite are natural


  693. 693
    Christie's | May-2011 | Hong Kong | Lot 3089, A Tourmaline and Diamond Ring | GRS2001-06433

    The rectangular-shaped green-blue tourmaline weighing 17.55 carats, to a pavé-set diamond gallery and twin-row half-hoop, mounted in 18k white gold, ring size 5¼

    Accompanied by report no. GRS2001-06433 dated 27 June 2001 from the Gem Research Swiss Lab stating that the 17.55 carat tourmaline is natural


  694. 694
    Christie's | May-2011 | Hong Kong | Lot 3190, A Multi-Gem Pendant Necklace |

    Suspending an emerald bead weighing 19.47 carats. A flattened pink sapphire bead, and a tumbled sapphire spaced by pearls and diamond beads, to the diamond briolette necklace, mounted in platinum and 18k white gold, 32.4 cm long.

    Accompanied by report number GRS2010-032527 dated 9 March 2010 from the Gem Research Swiss Lab stating that the 19.47 carat emerald is of Zambia origin, with moderate oil and resin filling tested.


  695. 695
    Christie's | May-2011 | Hong Kong | Lot 3191, A Group of Unmounted Gemstones |

    Composed of one cabocon yellow sapphire weighing 37.66 carats, one cabochon spessartite garnet weighing 26.01 carats, one cabochon sapphire and one oval shaped sapphireweighing 39.66 and 11.87 carats respectively.

    Accompanied by two report nos. GRS2001-06425 and GRS2001-06432 dated 27 June 2001 from the Gem Research Swiss Lab stating that the37.66 carat orangy-yellow sapphire and the 26.01 orangy-red spessartite garnet are natural.


  696. 696
    Christie's | May-2011 | Hong Kong | Lot 3193, A Multi-gem Bracelet |

    The cabochon line bracelet, set from the tongue piece with a cat’s eye scapolite, green cat’s eye tourmaline, cat’s eye chrysoberyl, star sapphire, cat’s eye aquamarine, colourless star sapphire weighing 22.07 carats, cat’s eye opal weighing 7.15 carats, black star spinel weighing 14.94 carats, cat’s eye emerald weighing 5.31 carats, interspersed with pearl and diamond florets, mounted in 18k white gold, 18.1 cm long

    Accompanied by four reports dated 10 July 2001 to 4 December 2004 from the Gem Research Swiss Lab stating that the colourless star sapphire weighing 22.07 carat is of Sri Lanka origin, with no indications of thermal treatment; the black star spinel weighing 14.94 carat is natural, with no indication of thermal treatment; the cat’s eye opal weighing 7.15 carat is natural; and the cat’s eye emerald weighing 5.31 carat is natural, with clarity enhancement: none


  697. 697
    Christie's | May-2011 | Hong Kong | Lot 3204, A Ruby and Diamond Bracelet |

    Set with seventeen oval-shaped rubies, interspersed Th oval-shaped diamonds, mounted in 18k white gold, 16.5 cm long.

    Accompanied by sixteen reports dated 31 March 2000 to 19 August 2002 from the Gem Research Swiss Lab stating that the nine rubies are of Madagascar origin and the seven rubies are of Burma (Myanmar) origin, with no indication of thermal treatment or enhancement.

    The total weight of the certified rubies is 30.62 carats.


  698. 698
    Christie's | May-2011 | Hong Kong | Lot 3213, A Ruby and Diamond Ring | GRS2006-021024

    Set with a cushion-shaped ruby weighing 5.03 carats, flanked by two old European-cut diamonds weighing 2.47 and 2.10 carats, mounted in platinum and 18k yellow gold, ring size 5½

    Accompanied by report number GRS2006-021024 dated 20 February 2006 from the Gem Research Swisslab stating that the 5.03 carat ruby is of Burma (Myanmar) origin with no indications of heating.


  699. 699
    Christie's | May-2011 | Hong Kong | Lot 3264, A Sapphire and Diamond Ring | GRS2000-12048

    Set with a cushion-shaped sapphire weighing 16.96 carats, flanked by trapeze-cut diamonds, mounted in 18k white gold, ring size 5

    Accompanied by report no. GRS2000-12048 dated 6 December 2000 from the Gem Research Swiss Lab stating that the 16.96 carat sapphire is of Burma (Myanmar) origin, with no indication of thermal treatment


  700. 700
    Christie's | May-2011 | Hong Kong | Lot 3279, A Stunning Ruby Necklace | GRS2010-082060

    Suspending an oval-shaped ruby weighing 10.02 carats, joined to the neckchain set with a series of twenty-three graduated cushion and oval-shaped rubies weighing a total of 43.74 carats, interspersed by smaller cushion-shaped rubies weighing a total of 11.19 carats, mounted in 18k yellow gold, 42.0 cm long

    Accompanied by report no. GRS2010-082060 dated 18 August 2010 from the Gem Research Swiss Lab stating that the forty-eight rubies weighing a total of 64.95 carats are of Burma (Myanmar) origin, vivid red colour (GRS type “pigeon’s blood”), with no indication of thermal treatment