Monday 03 April 2023

The Main Laboratories

Since the creation of the GIA in 1931, other laboratories have appeared and are now renowned institutions:

GIA (Gemological Institute of America): founded in 1931 in the US.

AGS (American Gemological Society): founded in 1934 in the U.S.

GCL (Central Gem Laboratory): founded in 1970 in Tokyo.

HRD (Hoge Raad voor Diamant, or Diamond High Council): founded in 1973 in Antwerp.

EGL (European Gemological Laboratory): founded in 1974 in Belgium.

IGI (International Gemological Institute): founded in 1975 in Antwerp.