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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 2025

  • 24.11.-28.11.2025

Fee: EUR 700.00

Date 2026

  • 23.11.-27.11.2026

Fee: EUR 720.00

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