Spectral Gems, Inc., provides the following industry links for your reference.

• American Gem Trade Association (AGTA)
• International Colored Stone Association (ICA)
• Gemological Institute of America (GIA)
• Jewelers of America (JA)
• Gem Artists of North America (GANA)
• Canadian Institute of Gemology
• Federal Trade Commision (FTC)
• Jewelers Resource Bureau
• Jewelers Vigilance Committee (JVC)
• Jewelers Security Alliance (JSA)
• Jewelers Board of Trade (JBT)
• Michigan Jewelers Association (MJA)