InColor Magazine

InColor magazine is the ICA's quarterly publication, all about colored gemstones. A must read for anyone in the gemstone and jewelry industry, as well as the gem enthusiast. 

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ICA Congress

The biennial ICA Congresses are organized in member countries spanning the globe. Industry experts share their knowledge with an audience of trade peers, industry professionals and ICA members.

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Member Directory

Membership in the International Colored Gemstone Association affords industry professionals worldwide the opportunity to work together to expand the market for natural colored gemstones.

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Our Mission

The ICA, a non-profit organization, was founded in 1984 and is now comprised of nearly 700 gem industry leaders from mine to market, including miners, gem cutters, suppliers, retailers, trade associations, gemological laboratories, academia, museums, and more, from 47 countries who are devoted to colored gemstones.

our mission would not be possible without our leadership

Accredited Ethical Program
Gems Keep Giving Fund
ICA | GemLab


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