Knowledge
Gem Education
Discover the fascinating world of gemstones — their origins, properties, and the stories they carry through millennia.
Gemstones
Ruby
Corundum
Sapphire
Corundum
Emerald
Beryl
Amethyst
Quartz
Diamond
Carbon
Tourmaline
Tourmaline
Corundum Family
Ruby
OriginMyanmar, Sri Lanka, Thailand
Hardness9.0 Mohs
RarityExtremely Rare
Market Value$1,000 — $100,000+ per carat
The king of gemstones. Ruby's deep red color comes from chromium. The finest rubies display a rich "pigeon blood" red and command some of the highest prices per carat of any colored gemstone in the world.