Diamond Grading Laboratories

1.09ct VVS1 / G
$8,511

1.09ct SI2 / H
$4,249

A diamond's certificate is it's passport. It ensures it's authenticity and indicates the quality and characteristics of the stone.

Each lab has its own way of grading diamonds & gemstones. Browse the following list of gemological Institutes and laboratories to learn about the different grading methods.

America

GIA - Gemological Institute of America
AGS - American Gem Society Laboratories
HKD - Diamond Laboratories Canada
DGLA - Diamond and Gem Labs of America
AGTA - American Gem Trade Association. Offers grading certificate service.
AGA - Accredited Gemologists Association
GCAL - Gem Certification and Assurance Lab, Located in New York.
GS - GemScan Laboratories of America. Located in Dallas, Toronto & Mumbai
Labtrade - Gemological Laboratory, located in Las Vegas & Bangkok

Europe

EGL - European Gemological Laboratory
HRD - Antwerp Institute of Gemmology
Gubelin Lab - Switzerland based gemmological laboratory
SSEF - The Swiss Gemmological Institute, part of the Swiss Foundation for the Research of Gemstones
D Gem G - German Gemmological Association
GemLab - Liechtenstein based gemmological laboratory
LFG - Laboratoire Français de Gemmologie (France)

Asia

AIGS - Asian Institute of Gemological Sciences
GIT - The Gem and Jewelry Institute of Thailand
GII - Gemmological Institute of India

Australia

DCLA - Diamond Certification Laboratory of Australia
ADGL - Australian Diamond Grading Laboratory

International

IGI - International Gemological Institute
WGI - World Gemological Institute

Sample Diamond Certificates

(Click to enlarge)

GIA Certificate	EGL Certificate	AGS Certificate	IGI Certificate
HRD Certificate	AGTA Certificate	DCLA Certificate	GCAL Certificate