Luxurious timepieces of superior quality. The latest models of high-end brands such as Rolex, IWC and Jaeger-LeCoultre.
Check out all our
Looking for wedding rings, an engagement ring or a ring for a special occasion? Take a look at our collection.
Luxurious jewelry in white, yellow and rose gold. Browse jewelry by well-known brands such as Al Coromm, Choices by DL, Leo Pizzo and Ole Lynggaard.
Make your own
Looking for wedding rings, a ring for another special occasion or just because: let’s go.
Visit our diamond polishing facility in Amsterdam for free. Meet Gassan. We organize private and corporate events, and have special arrangements for engaged couples and VIPs. And check our diamond factory or Rolex boutique. Engaged? We have a wedding tour for lovebirds, and special arrangements for everybody else.Book a guided tour
Are you getting married, or do you plan to propose? Gassan has a wide range of engagement and wedding rings to promise your beloved eternal loyalty.All wedding rings
Luxurious jewelry in white, yellow and rose gold. Browse jewelry by well-known brands such as Al Coromm, Choices by DL, Leo Pizzo and Ole Lynggaard.Shop jewelry
Gassan presents the next step toward perfection: the Gassan 121. A breathtakingly cut shape with 121 beautiful facets.Learn more
Gassan, a brilliant choice
Gassan Diamonds was founded in 1945 and is now located in a former diamond factory in Amsterdam. For over 70 years we have guaranteed our customers the highest-quality diamonds, jewelry and luxury watches. We are an official dealer of Rolex watches, organize tours of our diamond-cutting plant for 400,000 visitors every year, and have our own patented grinding mold: the Gassan 121.More information