Colored StonesGEM 220
Gain in-depth knowledge about the multitude of coloured stones sold in today’s market. Topics include which gems are commercially important and why, the differences in gem values and shifting supply patterns, and how these factors affect gem prices and availability. The final exam is online, closed book and invigilated; see the Education Catalogue for details.
Try a complimentary lesson for this course.
What you earn
- Coloured Stones Certificate