Logo Made in Germany JGF – September Hong Kong Jewellery and Gem Fair 2017

Gustav O. Hahn OHG

Booth number: 8D07

About us

Starting 1950 diamond polishing,today we are specialising in Natural FancyColour Diamonds in a great variety of colours, shapes and sets.


Gustav O. Hahn OHG
Hauptstr. 125
55743 Idar-Obrerstein

Phone: +49 6781 46011
Fax: +49 6781 41409

Hans Wilh. Hahn
Phone: +49 172 6811689

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