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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.
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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.
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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 tourAre 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 ringsLuxurious 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.
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Nieuwe Uilenburgerstraat 173 - 175
1011 LN Amsterdam
Netherlands
Phone +31 (0)20 622 5333
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P.C. Hooftstraat 84
1071 CB Amsterdam
Netherlands
Phone +31(0)20-2105900
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Vertrekpassage 1 - 214
1118 AP Schiphol
Netherlands
Phone +31 (0)20-4059920
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Mix and match any way you like! Choices by DL is all about the question why should settle for one thing, when you've got Choices.
Make your own jewelLooking for wedding rings, a ring for another special occasion or just because: let’s go.
Make your ownGassan presents the next step toward perfection: the Gassan 121. A breathtakingly cut shape with 121 beautiful facets.
Learn moreBesides the Gassan 121 cut, we master all cuts, ranging from brilliant to pearshape or marquise.
Want to know more about cuts, clarity or carats? Then visit our Diamond Experience Tour or let us explain everyting about diamonds in detail.
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.
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Rolex
Choices by DL
Frederique Constant 
IWC
Jaeger-LeCoultre
Longines