|
1 |
AGS Laboratory
The AGS Laboratory provides a state-of-the-art methodology for grading diamond cut quality, optical symmetry and light performance.
|
226 |
|
2 |
GIA Gem Trade Laboratory
The GIA Gem Trade Laboratory is the original creator of the 4C's Diamond Grading System: Cut, Color, Clarity, Carat Weight.
|
230 |
|
3 |
Hoge Raad voor Diamant (HRD)
HRD Antwerp’s primary shareholder is the Antwerp World Diamond Centre (AWDC). The AWDC is a private foundation established in 1973 as the Hoge Raad voor Diamant (HRD) or Diamond High Council and represents the Belgian diamond industry.
|
223 |
|
4 |
European Gem Lab - USA
EGL USA is one of the world's premier independent gemological laboratories. For over 25 years it has offered the fine jewelry trade and consumers accurate, reliable gemstone identification and professional certification to validate their gemstone purchases.
|
226 |
|
5 |
Central Gemological Laboratory (CGL - Japan)
The Central Gemological Laboratory of Japan specializes in the grading of Hearts & Arrows diamonds, gemological education and the development of gemological equipment.
|
275 |
|
6 |
Zenhokyo Gemological Association of Japan
The Zenhokyo Gemological Association of Japan provides gemological education, develops gemological equipment and grades diamonds and colored gems.
|
257 |
|
7 |
International Gemological Institute (IGI)
The IGI provides gemological grading services, offers gemological education and provides laser inscription services.
|
234 |
Monday, February 06, 2012