Diamond Grading Essentials: ISG Journey Thru Gemology Online Classroom
41:44
YouTubeUnited States Gemological Institute
Diamond Grading Essentials: ISG Journey Thru Gemology Online Classroom
A 40 minute online diamond grading class including rough diamonds, diamond tools, diamond cut grading, diamond color grading, and diamond clarity grading. Includes demonstrations of the Sarine Diamond Vue proportion evaluator, the Gemprint technology for identifying diamonds, and a review of the diamond grading labs and their pitfalls.
8.6K viewsMar 15, 2023
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