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#GRS documentary 2015: A journey to Mogok

#GRS documentary 2015: Interesting discoveries at the Mandalay gemstone market

Latest GRS Alerts

Warning: Synthetic Padparadscha sold as Natural in the trade. 11/09/2018

GRS Alert: Unusual phosphorescent pebbles identified as synthetic aggregates 24/04/2016

GRS Alert: A new type of synthetic spinel appears at the Bangkok show 14/09/2015

Recent Posts

Spinel formation by sulphur-rich saline brines from Mansin (Mogok area, Myanmar) 02/10/2018

The Perettiite Space Odyssey 27/09/2018

Warning: Synthetic Padparadscha sold as Natural in the trade. 11/09/2018

GRS Newsletter

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GRS Gemresearch Swisslab added 3 new photos.

4 weeks ago

The GRS pre-show workout started at 6am today on the Victoria Peak in Hong Kong 🇭🇰 Our last day at AWE booth # 10L00a! See you there! ... See MoreSee Less

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