Luxurious timepieces of superior quality. The latest models of high-end brands such as Rolex, IWC and Jaeger-LeCoultre.
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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 grinding facility in Amsterdam for free. Meet Gassan. We organize private and corporate events, and have special arrangements for engaged couples and VIPs.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