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Japan Germany Gemmological Laboratory (JGGL) published an article explaining ColorCodex for the Japanese market in their journal Gem Information in early 2021, Volume No. 48. To read the English summary, see below!

To download the original in Japanese, click here.
To download a summary in English, click here.

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In June of 2020, Chris Smith spoke about the revolutionary ColorCodex™ system to AIGS Thailand.

During the presentation, Chris shows the ease of use and intuitiveness of the ColorCodex™ system and goes over real market applications that seek to better define the boundaries of color in colored gem varieties. He also answers common questions about the system including tonality overlays.

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Check out InColor Magazine, Winter 2020 (Issue 45) pp 88- 94, for a comprehensive introduction to the ColorCodex™ system, including demonstrations for gemstone varietal calls!

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