Links to Educational Websites
American Gem Society
American Gem Trade Association Gemstone Information
CIBJO/The World Jewellery Confederation
Diamond Facts
Gemological Institute of America
Jewelry Information Center
Jewelers Vigilance Committee
Smithsonian Institution's National Museum of Natural History Gem Gallery
World Diamond Council
American Gem Trade Association Gemstone Information
CIBJO/The World Jewellery Confederation
Diamond Facts
Gemological Institute of America
Jewelry Information Center
Jewelers Vigilance Committee
Smithsonian Institution's National Museum of Natural History Gem Gallery
World Diamond Council