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Herausgeber:
Deutsche Gemmologische Gesellschaft e.V.
Prof.-Schlossmacher-Str. 1
D-55743 Idar-Oberstein
Herausgeber:
Deutsche Gemmologische Gesellschaft e.V.
Prof.-Schlossmacher-Str. 1
D-55743 Idar-Oberstein
The course leads to an internationally recognized qualification, the Diploma in Gemmology of the German Gemmological Association.
The course leads to an internationally recognized qualification, the Diploma in Gemmology of the German Gemmological Association. details...
