The American Gem Trade Association

Please note: My supplier is a member of "The American Gem Trade Association". AGTA is an association of United States and Canadian natural colored gemstone and cultured pearl industry professionals dedicated to promoting the natural colored gemstone trade. They use a higher standard than the Federal Trade Commission's Guides for the Jewelry Industry on disclosing colored gemstone enhancements.
http://www.agta.org/info/index.html

You can find a list of my suppliers on the sidebar, FiremountainGems and Beads being the only supplier of my gemstones and wire.