| Australia |
Gemmological Association of Australia
Gemmological Association of Australia
|
Quensland
Melbourn |
|
Belgium |
European Gemological Laboratory
HRD Institute of GemologyDiamond High Council |
Antwerp
Antwerp |
| Brazil |
Universidad Federal de Oro Preto |
Oro Preto |
| Canada |
Carleton University Otawa
George Brown College of Applied Arts & Techonology
Pacific Institute of Gemology
Canadian Gemmolgical Association |
Ontario
Ontario
Vancouver
Ontario |
| England |
Departament of Mineralogy British Museum (Natural History)
Gemologiacal Association of Great Britain
Gemmological Laboratory
Huddlestone Gemmological Consultants |
London
London
Sunderland
London |
| France |
Institut de Gemmologie (ING) |
Paris |
| Germany |
Deutsche Gemmologische Gesellschaft |
Idar-Oberstain |
| Hong Kong |
G.I.A Hong Kong
The Hong Kong Institute of Gemmology
The Gemmological Association of Hong Kong |
Hong Kong
Hong Kong
Hong Kong |
| Israel |
E.G.L Gemological Institute for Precious Stones
Gemmological Association of Israel |
Ramat Gan
Ramat Gan |
| Italy |
G.I.A S.R.L (Italy)
Instituto Gemmologico Mediterraneo
Gemval s.n.c Instituto Analisi Gemologico |
Vicenza
Cavalase
Valenza |
| Japan |
Association of Japan Gem Trust
G.I.A
Central Gem Laboratory
Gemmological Association of All Japan |
Tokyo
Tokyo
Tokyo
Tokyo |
| Korea |
Mi-Jo Gem Study Institute
G.I.A KOREA |
Seoul
Seoul |
| Netherlands |
Netherlands Gem Laboratory |
Leiden |
| USA |
International Gemological Services
Gemological Institute of America GIA
Gemological Institute of America GIA
Institute of Jewelry Training
Jewelry Technical Institute
Revere Academy of Jewelers Arts
American Society of Apraisers
Keno Gemological Bureau
Art Institute of Atlanta
Atlanta Foundation for Jewlery Studies
Emory UniversityEvening at Emory
Oglethorpe University
Parkland College
International Gemological School
Columbia School of Gemology
Diamond Council of America
Fashion Institute of Technology
Yeshiva University |
Scottsdale AZ
Carlsbad CA
New York
Sacramento CA
Garden Grove CA
San FranciscoCA
WashingtonDC
Ft LauderdaleFL
Atlanta
Atlanta
Atlanta
Atlanta
Champaign IL
Metairie LA
Silver SpringMD
Kansas City
New York
Lexington |