Re-Cutting, Re-Polishing, and Repairing Gemstones

How to re-cut, re-polish and repair gemstones to bring out their best qualities.

Never Stop Learning

When you join the IGS community, you get trusted diamond & gemstone information when you need it.

Become a Member

Get Gemology Insights

Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!