Organizations

List of organizations involved in the regulating of gemstone and jewelry trade, mining and dedicated to scientific study of gem materials.

Resource listing

The International Colored Gemstone Association

An independent non-profit association that was founded in 1983 to represent the international gemstone industry

www.gemstone.org

American Gem Trade Association

A group of US and Canadian professionals dedicated to promoting the natural colored gemstone and cultured pearl trade

www.agta.org

See Alexandrite Tsarstone collectors guide, Organizations, http://w.alexandrite.com/viewpage.html?id=ALX-016 (List of organizations involved in the regulating of gemstone and jewelry trade, mining and dedicated to scientific study of gem materials.) (as of Jun. 10, 2026, 18:02 GMT).