This information will help you to locate gemological laboratories around the world.

If you would like to add your gemological laboratory to our web page free of charge please e-mail us at
info@colorstones.com with all the information about your gemological laboratory.

Gemological Laboratories Around the Global

 

 

 


Note: All the information about the laboratories were made available to us on January 1999, some information about
these laboratories they may have changed since.

For the latest update please contact the laboratories.

Global Laboratories buy Country
Belgium:
EGL Antwerp.
HRD ( Diamond High Council.
Canada:
Gem Scan International, Inc.
Harold Weinstein Limited.
E.G.L USA
France:
Laboratoire Francais de Gemmologie.
United Kingdom:
Gemmological Association & Gem Testing
Laboratory of Great Britian.
Singapore
SIGMA International Gemology Laboratory
Hong Kong:
Asian Gemmological Institute & Laboratory Ltd.
Hong Kong Gems Laboratory.
Hong Kong Jade & Stone Laboratory Ltd.
India:

Gem Testing Laboratory.
Gemmological Institute of India.
Israel:
European Gemological Center and College.
EGL Israel.
I.D.I.
Italy:
CISGEM.

Japan:
AGT Gem Laboratory.
Central Gem Laboratory.
Gem Science Laboratory.
Gem Testing Center of Japan.
Hokkaido Gem Laboratory.
Japan Technical Gem Laboratory (TGL Japan).
Jewel Trading Laboratory.
KGL Kokuhoren.
Kokuhoren.
Tokyo Gem Science Academy.
Universal Gem Laboratory.
Zenhokyo
South Africa:
EGL South Africa
Switzerland:
Gubelin Gem Lab Ltd.
SSEF Swiss Gemmological Institute.
United States of America:

American Gemological Laboratory.
American Gem Society Laboratories.
AGTA Gemological Testing Center.
Diamond Profile Laboratory.
EGL USA.

Gemological Institute of America (GIA).
Gem Quality Institute, Inc.
IGI New York.

WTS.
Email: info@colorstones.com