Diamond Grading Course

E.G.L.

Diploma title: E.G.L. Diamond Grader Duration: 30 3-hour meetings and unlimited practical exercise time. Overall hours: at least 90 clock hours.
Main topics: 1. Diamonds- introduction: underground process, production methods. 2. The diamond crystal: identification of the crystal and molecular structure. 3. Processing: cleaving, sawing and polishing steps. 4. Ideal proportions: proportions meaning, projection on stones' beauty, sparkle, fire, life and finish. 5. Fancy cut stones: different shape cuts. 6. Gemological equipment: working with the microscope, loupe and UV lighting. 7. Clarity: grading the diamonds according to international labs grading methods. 8. Color: grading color using "master" stones. 9. Identification of treated stones: laser drilled, feather filled etc… 10. Diamond imitations: learn about stones which are used as a diamond imitation.
11. Pricing: learning how to calculate the price of a diamond according to the "Rapaport" guide. 12. Laboratory: exercise on up to 120 diamonds with the use of gemological equipment and eye estimation. 13. Diamonds trading: sources, manufacturing centers, trading centers, the stock market and diamond investments. Graduation: upon successful completion of mandatory theoretical and practical tests.
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See also: Gemology Course EGG Diploma Research & Publications