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

Diamond Programme

Single week enrollment for those who wish to concentrate on a special subject within the Diamond Grading Programme. Please mind that the sequence DG1-DG4 is obligatory.

Diamond Programme

Consisting of 4 single weeks (DG1-DG4), final exam included in DG.

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2.200,00 €

DG1 Diamond Grading I

Properties and features of diamond, Basics of diamond grading, practical clarity and colour grading.

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550,00 €

DG2 Diamond Grading II

Evaluation criteria, preparation of certificates, practical cut grading.

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550,00 €

DG3 Diamond Grading III

Grading of fancy and old cuts, identification of imitations, synthetics and treated stones.

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550,00 €

DG4 Diamond Grading IV

Practical diamond grading (4 C), evaluation and formulation of expert opinions, diamonds final exam.

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550,00 €

DGemG News

2. Arbeitstagung 2018

2. Arbeitstagung 2018 29. September 2018 DGemG-Ausbildungszentrum in Idar-Oberstein Thementag Alexandrit (Fachvorträge und...
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DGemG-Information: Raritäten bei...

Neben den klassischen perlenbildenden Meeresmuscheln Pinctada imbricata, Pinctada fucata, Pinctada margaritifera, Pinctada...
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1. DGemG-Arbeitstagung 2018

Die künstliche Eigenschaftsveränderung von Korunden stand im Mittepunkt der 1. Arbeitstagung 2018 der Deutschen Gemmologischen...
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DGemG-information: Glass-filled corundum

In the last years, the supply of treated rubies in the lower price range increased strongly. In their natural state, these...
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European Gemmological Symposium 2019

Preliminary Programme Friday, May 24, 2019 Park Hotel Idar-Oberstein 18.00 Welcome Saturday, May 25, 2019 Stadttheater...
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Roter und grüner Quarz aus Tansania

Seit einiger Zeit werden rote und grüne Quarze im Handel angeboten, die aus einem Vorkommen im Norden Tansanias stammen....
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