Colored Stone Grading lab -------- >>> 3 days

 

You will benefit from extensive hands-on practice using actual colored stones, and learn consistent terms for all transparent colored stone value factors. You will learn how to use GIA's Grading System.

 

What you learn :

Using GIA's Colored Stone Grading System, discover how to describe color in terms of hue, tone and saturation. Learn how to judge clarity and cut quality factors of colored stones.

• The relationship between light and color, phenomenal gems and developing your color memory.
• How to grade and describe color, and the clarity of colored stones.
• How cut affects light return in colored stones.
• How translucent and opaque gems are judged.

 

Related diploma program(s) : GG, Graduate Colored Stones

 

Prerequisites : None.

 

You will earn : GIA Colored Stone Grading letter of completion

 

Enrollment Fee : 30,900 Baht