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

DG4 Diamond Grading IV

Course prerequisite

Course D1-D3

Contents of the course

Practical diamond grading (4 C), evaluation basis and formulation of certificates and expert opinions.

Date 2026

30.11.-04.12.2026

Fee: EUR 720.00

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