Gemological Laboratories

                  
BELGIUM Hoge Raad voor Diamant (HRD)    
European Gemological Laboratory (EGL)  
BRAZIL  IBGMMrs. Jane Leao de Gama GM@IBGM.com.br 
FRANCE   Service Public Du Control Du Diamants, Perles et Pierres, Dr. Philippe Matraillet
Laboratorie Public de Controle de Pierres Precieuses de la Chambre de Commerce 
GERMANY  German Gemmological Assoc, Dr. Claudio Milisenda 
Deutsche Gemmologische Gesellaschaft EV, Prof. Schloaamcher 
HONG KONG  Hong Kong Gems Laboratory, Mrs. Chiu Mei Ou Yang
ITALY  Cisgem, Dra. Margherita Superchi- Superchi@mi.camcom
ISRAEL  National Gemological Institute of Israel 
JAPAN   Gemological Assoc. Of All Japan, Mrs. Junko Shida
NETHERLANDS  Neatherlands Gemmological Laboratory, Mr. Hanco Zwaan - Communications@nnm.n 
UNITED KINGDOM Gemmological Assoc. & Gem Testing Laboratory of Great Britain, Dr. Roger Harding
UNITED STATES American Gemological Laboratory, Mr. C.R.Beesley New York
American Gemological Laboratory, Mrs. Jennifer Beesley 
European Gemological Laboratory/ Gem Quality Institute 
Gemological Institute of America Mrs. Alice Keller
SWITZERLAND  GEM TECH LAB. Dr. Franck Notari.
GRL Gemresearch Laboratory    
Gubelin Gemmological Laboratory, Mr. Robert Kane
SSEF Swiss Gemmological Institute, Dr. Henri Hanni Haennih@ubaclu.unibas.ch 
THAILAND  Asian Institute of Gemological Science(AIGS)
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