Lab Class

Colored Stone Grading Lab Class

GEM 220L

Lab Class Description

Acquire the skills to determine the color, clarity, and cut for a range of colored stones. Learn GIA’s Colored Stone Grading System, and how to describe color by hue, tone, and saturation. Increase the consistency and accuracy of your colored stone grading skills. Judge clarity and cut quality, and learn the relationship between light and color.

What You Earn

  • Letter of Completion

Required For These Diploma Programs

Colored Stone Grading Lab Class

GEM 220L

Class Duration 3 days or 6 nights (21 clock hours)

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