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- Home
- Online Programs
- Introduction to Gemology
- Registered Gemologist Appraiser
- Registered Gemologist Program
- 2024 Recertification Exam
- Diamonds Course
- Colored Gemstones Course
- Created and Treated Gemstones Course
- Gemology Tools and Techniques Course
- Pearls Course
- Introduction to Watches Course
- Evaluating Damaged Jewelry Course
- Personal Property Appraisal
- Litigation and Expert Witness for Appraisers
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- Important Information
- About the International School of Gemology
- Frequently Asked Questions About the ISG Education Programs
- Comparing the ISG to the GIA Education Program
- Why is the ISG Tuition So Low?
- Careers in Gemology and Jewelry Appraisal
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