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Herausgeber:
Deutsche Gemmologische Gesellschaft e.V.
Prof.-Schlossmacher-Str. 1
D-55743 Idar-Oberstein

DG3 Diamond Grading III

Course prerequisite

Course DG1 + DG2

Contents of the course

Identification of imitations, identification of synthetic and treated stones, practical grading, grading of coloured diamonds.

Date 2026

23.11.-27.11.2026

Fee: EUR 720.00

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