Gem Buying Advice and Gem Pricing

Find out what your gem is worth

Everything you need to know to buy or sell gems

Gem Buying Guides
Detailed gem buying guides with example pictures and gem prices. Covers color, clarity, cut, carats, origin, values, wholesale and retail prices, and more.
Gem Price Guide
The IGS Gem Price Guide covers many popular as well as unusual, collectible gems. Find your gem’s retail value based on its type, size, and qualities.