Care, Content, What you need to know
The Gold Institute
An information source for consumers of gold products provided by the world's premier gold producers.
The Silver Institute is an international association of miners, refiners, fabricators, and wholesalers of silver and silver products.
Terms of Sliver
Platinum Guild International
Whether buying for yourself, or for a gift, pick up some essential practical knowledge to help you find the perfect pieces and purchase them with confidence.
Gemological Institute of America
The Gemological Institute of America, GIA, is the world's foremost authority in gemology, diamond grading, jewelry education, gemology research, diamond and gemstone grading reports and laboratory services.
American Gem Society
Protecting the Consumer Since 1934
Home of RapNet® Diamond Trading Network, INDEX® - Internet Diamond Exchange, Rapaport Diamond Price Sheets, and Rapaport News
Learn the myths and facts
Jewelers of America
Jewelers of America (JA) is the national association for the retail jeweler. JA is both a center of knowledge for the jeweler and an advocate for professionalism and high social, ethical, and environmental standards in the jewelry trade.