Colored Gemstone Grading
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Welcome to the Colored Gemstone Grading Course. The purpose of this course is to provide you with a practical view of the grading of colored gemstones. You should not attempt this course until you have completed the ISG Colored Gemstone Identification course. We are going to cover very little theory...although the first lesson is going to feature some review information from Gem ID to insure your understanding of how that information applies to the grading of colored gemstones.
Lesson 1: Overview
Lesson 2: Evaluation of Gemstone Color
Lesson 3: Evaluation of Gemstone Cut
Lesson 4: Evaluation of Gemstone Clarity
Lesson 5: Evaluating Unusual Gemstones Pt 1
Lesson 6: Evaluating Unusual Gemstones Pt 2
Here are the links to your Quick Quiz and Final Exam
Quick Quiz Lesson 1 Quick Quiz Lesson 2
Quick Quiz Lesson 3 Quick Quiz Lesson 4
Quick Quiz Lesson 5 Quick Quiz Lesson 6