DIAMOND
Diamond forms under high temperature and pressure conditions ...
AQUAMARINE
Aquamarines name comes from the Latin for seawater and it was...
KUNZITE
Kunzite is the best-known variety of the mineral spodumene. I...
ALEXANDRITE
Often described by gem aficionados as emerald by day, ruby by...
CITRINE
Citrine is rare in nature. In the days before modern gemology...
PERIDOT
The ancient Egyptians mined peridot on the Red Sea island of ...
EMERALD
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...