Admire the art of diamond polishing in Amsterdam

GASSAN Diamonds is a family owned business and is located in a beautiful restored factory building in the centre of Amsterdam. Originally built as a steam driven diamond factory in 1879  and at that time, the largest of its kind in the world with 400 diamond polishers.

Experience the craftsmanship of the diamond polishers while multilingual staff explains everything about the brilliant world of diamonds and the development of this unique family business as well as the diamond industry in Amsterdam in the setting of the diamond polishing area, which kept the authentic ambiance of an ancient diamond factory.

During the free tour (available in more than 27 languages) the tour guides explain where diamonds are being found and how rough diamonds turn into dazzling brilliants. In a showroom you can see loose polished diamonds in various sizes and qualities as well as GASSAN’s extensive collection of jewelGASSAN Diamonds has an in-house workshop where jewelry is designed and settings can be adjusted. With a coffee shop located in the former boiler house on the premises and offering complimentary drinks, a beautiful gift shop with an elaborate collection of trendy jewelry and brand watches and private parking facilities; GASSAN Diamonds provides a unique opportunity for both individual and group visits. GASSAN Diamonds also has coach and boat facilities such as a parking lot and a mooring deck. Open 7 days a week from 9:00 a.m. till 5:00 p.m.