Demand for colored stones is hotter than ever. Become familiar and knowledgeable on a wide variety of gems: How they're formed, imitated, treated, and enhanced. Learn complete grading procedures for all popular transparent, phenomenal and opaque faceted gems. Plus, feel confident explaining beauty, quality, and value in colored stones using the GIA Colored Stone Grading System. Ultimately, it's here where you learn how to buy and sell colored stones with profitable insight.

Prerequisite: Colored Stone Essentials