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Visit Royal Coster Diamonds

In the Heart of Amsterdam, located between the Rijksmuseum and the Van Gogh Museum lies the oldest diamond polishing factory in the world. Book a free guided tour in your own language and learn about 400 year of diamond history and see famous diamond artifacts as the Koh-I-Noor.

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A weekend in Amsterdam

Want to visit the City of Diamonds? Our travel consultants have arranged some wonderful packages for anybody looking to experience a sparkling weekend!

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The engagement workshop

Buying a diamond engagement ring is a once in a lifetime experience you will remember forever. Make sure you know what you’re buying and sit behind the diamond polishing table. A truly and unique romantic experience.

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The champagne surprise tour

Each of your visitors receives a glass of champagne. All have zircons (fake diamonds) in them except for 1, which has a real diamond. Our master polisher will determine which is which. A fun experience for every occassion.

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The Diamond Masterclass

Get in detail with head of our polishing department and world record holder for smallest diamond ever polished: Pauline Willemse during a personal 1 on 1 masterclass.

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Are you a tour operator or travel agent? Meet our country managers

Information for tour operators & travel agents

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The Coster Diamonds V.I.P. Service

Experience the same treatment as Empress Sissi, Napoleon and Queen Elizabeth.

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Royal Coster Diamonds