Jade | GRS GemResearch Swisslab AG

2 months ago

GRS is taking on a leading role in color-stability testing of gemstones. The newly developed “Color Stability Test Box" is now in routine operation. Hardware and software have been developed in cooperation with external engineers, exclusively for GRS (patent pending).

The computer-controlled machine has been designed in order to evaluate the color-stability of gemstones in a fully automatized manner, with a special focus on unheated yellow/orange sapphires and Padparadscha sapphires.

All clients who wish to have their stone color-stability tested will have to sign a consent form which outlines some potential irreversible effects on the stones appearance after the test has been performed. Follow link to download form bit.ly/2xwG0wd ... See MoreSee Less

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