Gassan Diamonds


Gassan Diamonds, a family owned business, is located in a beautifully restored factory building in the centre of Amsterdam. Originally it was built in 1878 as a steam driven diamond factory and at the time with 400 polishers the largest of its kind in the world. Nowadays, visitors have the opportunity to view the diamond polishers at their craft, while multilingual staff explains where diamonds are found and how rough diamonds turn into dazzling brilliants. For several generations the diamond polishers at Gassan Diamonds have perfected the art of creating optimal life to the brilliant cut diamond. The polishers work on the symmetry of the diamonds and the immaculate finish of each of the fifty seven facets with only one goal in mind: perfect beauty. Undoubtedly this tradition will be continued for many generations to come. However, in an effort to extract more sparkle from a brilliant cut diamond, Gassan Diamonds is now introducing an even more breathtaking cut: the Gassan 121. This brand new cut has one hundred and twenty one facets, sixteen additional facets on the top and forty-eight extra on the bottom in comparison to the traditional round brilliant cut. According to a report of the WTOCD (a department of the High Council of Diamonds in Antwerp) the placement of the additional facets strongly emphasizes the contrast between the light and dark zones of the diamond. This makes the overall appearance of the Gassan 121 even more spectacular. At Gassan Diamonds we continue promoting the beautiful traditional round brilliant cut, and in addition we proudly present the next step in perfection represented by the Gassan 121. Therefore we kindly invite you to come and make the comparison yourself because one does not have to be an expert to appreciate the apparent difference!!!! In the tradition of 400 years, 'Amsterdam, City of Diamonds', the craftsmanship of our polishers and goldsmiths bring the beautiful world of diamonds alive. With private parking facilities, an in-house Diamondland boutique and a coffee shop in the former boiler house with complementary drinks, Gassan Diamonds absolutely provides a unique opportunity for both individual and group visits. Open 7 days a week from 9.00 till 5.00 p.m. Parking facilities, also for buses and a mooring site for canal boats available.





Gassan Diamonds Nieuwe Uilenburgerstraat 173-175
1011 LN Amsterdam, Olanda



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