JDMISGem Reference
Corundum · Corundum

Green Sapphire

Green Sapphire — Corundum

Green sapphire is an iron-coloured fancy sapphire, typically deep olive to forest green. It is a hard-wearing, affordable green gem even if it lacks the brilliance of emerald or tsavorite.

Colour
green
Transparency
Transparent
RI
1.762–1.770
SG
3.95–4.10
Mohs
9.0
Birthstone
July · September
🔒 Full JDMIS reference record

Sign in to unlock price ranges by tier, common misidentifications, diagnostic inclusions, treatments, spectra, trade names and sources — free with the GT200 Gem Identification course.

GT200 Gem Identification ↗ Sign in

Related gems

Browse the free gem reference · Test your eye — the Great Gem Quiz · Singapore gem testing labs