Visit Our Library

Pull up a chair. Novices and professionals will learn something new about gemology, lapidary, jewelry and more in our Reference Library.

Get Certified

The IGS is the first Internet school of gemology and the first to serve the entire world. Learn more about becoming an IGS-Certified Gemologist.

Gemology Businesses

Looking for businesses that provide gemology related products and services? Visit our Products and Services Directory.