The american GEM trade association (AGTA) is an association of united states and canadian trade professionals dedicated to promoting the long term stability and integrity of the natural colored gemstone and cultered pearl industries. The association pursues its goals through the combined use of educational programs, publicity, industry events, government and industry relations, and printed materials for both the trade and consumer. The AGTA is well-known in the gemstone and jewelery industries for maintaining the highest ethical standards and is recognized as the authoritative source on natural colored gemstones and cultered pearls.