Your current location:
Diamond forms under high temperature and pressure conditions ...
Aquamarines name comes from the Latin for seawater and it was...
Kunzite is the best-known variety of the mineral spodumene. I...
Often described by gem aficionados as emerald by day, ruby by...
Citrine is rare in nature. In the days before modern gemology...
The ancient Egyptians mined peridot on the Red Sea island of ...
Gem experts differ on the degree of green that makes one ston...
FANCY COLOR DIAMOND
Gem diamonds in GIAs D-to-Z range usually decrease in value a...
Copyright © 2002-2019GRA GLOBAL GEMOLGICAL RESEARCH ACADEMY
RM18S 27/F HO KING COMM CTR 2-16 FAYUEN ST MONGKOK KL