eLearning

Coloured stones

GEM 220

Course Description

Gain in-depth knowledge of the stunning variety of coloured stones in the modern world. Discover which gems are commercially important and why. Understand differences in gem values and shifting supply patterns, and how these factors affect gem prices and availability. Final exam is online, closed book, and proctored; see the Education Catalogue for details.

What you earn

  • Coloured Stones Certificate

Prerequisites