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Royal Coster Diamonds is the oldest diamond polishing factory in Amsterdam. Located at the Museum Square between the Rijksmuseum (national museum) and the Van Gogh museum we are the perfect location for groups of all sizes. Ask for our attractive incentive/reimbursement program for more information.

The finest watch brands

At Royal Coster Watches we sell high-end Swiss watches. In the heart of our 4 monumental villa’s it is a beacon of Haute Horlogerie with 3 of our rooms dedicated to the watches from the best Swiss manufactures.

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Famous visitors

Count Leopold II of Belgium


Dutch King Willem III of OranjeNassau and his son

Dutch Prince Frederik of Oranje-Nassau


Dutch Crown Prince Willem Alexander of Oranje-Nassau


French Prince Napoleon Bonaparte

Russian Tsarevitsj Nicolaas Aleksandrovitsj


Egyptian Princes Hussein Kamel and Tewfik Pasha


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Latest news & events

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About us: our Country Managers

Binh Dao

Country Manager Vietnam

E-mail: [email protected]
Phone number: +31(0)20 3055 452

Ibnu Gribaldi

Country Manager Indonesia

E-mail: [email protected]
Phone number: +31(0)20 3055 555

Betty Zhong

Country Manager Far East

E-mail: [email protected]
Phone number: +31 (0) 20 3055 459

Bagrat Edilian

Country Manager Eastern Europe

E-mail: [email protected]
Phone number: +31 (0) 20 3055 564

Pinky Chan

Country Manager Hong Kong

E-mail: [email protected]
Phone number: +31(0)20 3055 555

Jung Ah Hyun

Manager Korea

E-mail: [email protected]
Phone number: +31 (0) 20 3055 466

Nenad Popovic

Country Manager International

E-mail: [email protected]
Phone number: +31 (0) 20 3055 515

Nareerat Witee

Country Manager Thailand / Myanmar / Cambodia / Laos

E-mail: [email protected]
Phone number: +31 (0) 20 3055 469

Miwa Ota

Country Manager Japan

E-mail: [email protected]
Phone number: +31 (0) 20 3055 457

Lydia Velasco Betorz

Country Manager Spain / Portugal / South America

E-mail: [email protected]
Phone number: +31 (0) 20 3055 561

Royal Coster Diamonds photo tour