Company Offices

Head Office

Gemmata N.V.
Antwerp, Belgium
T: +32 3 222 4080
T: +32 3 233 8973
[email protected]

Associated Companies


S&D Boetiek bvba
(Diva Museumshop and Silvius Druon Jewellery store)
Suikerrui 17-19
2000 Antwerpen
T: +32 3 360 52 69
[email protected]


Hewei Diamond Trading Co. Ltd.
Mr. Yu
Shanghai, China
T: +86 21 6451 5546
T: +86 21 6451 5675 1-8
[email protected]

Company Summary

Gemmata is one of the world’s leaders in industrial diamonds but it’s also a very diverse company. The company trades in rough and polished diamonds as well and it has recently invested stakes in mining activities in Africa and in jewellery manufacturing and retailing worldwide. It’s newest project is the Silvius Druon Jewellery Flagship store at Diva Diamond Museum in Antwerp.

Core Business

  • Cutting & Polishing
  • Jewellery Manufacturing
  • Polished Sales
  • Retailer
  • Rough Sales

Core Product/Type of Goods

  • Jewellery branding and retail under ‘Silvius Druon’s


  • Diavik

Markets Served

The company primarily services the Chinese diamond and jewellery market through its Chinese and Hong Kong office but is also operates offices in Africa and India. Branded jewellery activities are mostly targeting the European market.

Special Notes

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