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Certification
Verification
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CERT. No.

Global Gemstone Certification

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Telephone number: +31 (0) 30 711 69 51
Email: info@globalgemstonecertification.com

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Important links

Accredited Gemologists Association – Private US-based gemological organization
American Gem Society – Important diamond lab and jewelers’ association
American Gem Trade Association – The chief trade association for US & Canada-based colored stone dealers
Canadian Gemmological Association – Canada’s national gemology association
CISGEM – Italy’s best known gemological lab
D-Gem-G– Germany’s oldest and most famous gemology institute and lab
GemResearch Swisslab (GRS) – Lab of Dr. Adolph Peretti
GemologyOnline.com – Great online gemological resource
Gemological Institute of America (GIA) – US gemological giant
Gübelin Gem Lab – Site of the world-renowned Gübelin Gem Lab
HRD – Diamond High Council, Antwerp, Belgium
IGE – Instituto Gemológico Español – Spanish gemological institute
International Gem Society – Gemological site
Swiss Gemmological Institute (SSEF) – One of the world’s top gemstone laboratories

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T: +31 (0) 30 711 69 51

E: info@globalgemstonecertification.com

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