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Come to where the knowledge is! Deutsche Gemmologische Gesellschaft eV (German Gemmological Association)

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.

 

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Date 2025

  • 01.12.-05.12.2025

Fee: EUR 700.00

 

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