HOUSE of GASSAN stands for diamonds, jewelry and luxury watches. The GASSAN brand represents craftsmanship, proven quality and reliability for more than 75 years and is a one hundred percent family business. The tradition of diamond cutting is part of the Dutch cultural heritage. Therefore GASSAN’s headquarter breathes craftsmanship. This is a unique feature; GASSAN polishes and cuts diamonds in house. An ultimate experience to see and that we offer at our factory.

The recently renovated GASSAN Boutique breathes luxury with our high-end brand portfolio and is the biggest jeweller from the Netherlands with an amazing brand portfolio with jewelry and watches like Tudor, Longines, Messika, Chopard and many other brands like our own GASSAN in-house brands.

Diamond Experience

HOUSE of GASSAN, is located in a beautiful restored originally steam driven diamond factory and was built in 1879. Every year more than 350.000 visitors experience a unique tour through the industrial factory. Visitors can view the diamond polishers at their craft, while multilingual guides explain where diamonds are found and how rough diamonds turn into dazzling brilliants.

Loose polished diamonds are shown as well as an elaborate jewellery collection. After the tour you can see our extensive jewellery and watch collection in our Boutique. Also have a look in our in-house Rolex Boutique.