Attraction · Amsterdam · The Netherlands
Explore current tickets, tours and experiences for Royal Coster Diamonds in Amsterdam. Compare available attraction options, prices, ratings and booking details from trusted providers.
About
Visit the oldest active diamond polishing factory near the Rijksmuseum in Amsterdam. This factory, known as Royal Coster Diamonds, showcases 185 years of expertise in diamond craftsmanship. During a guided tour, see live diamond polishing demonstrations, and engage in presentations on the diamond industry. Understand the 4 Cs of diamond valuation—Cut, Color, Clarity, and Carat—and learn how these attributes affect the quality and value of a diamond. Learn the stories of renowned diamonds, including replicas of the famed Koh-i-Noor and the Cullinan, the largest gem-quality rough diamond discovered, and see the Royal 201, a diamond renowned for its brilliance.
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Learn diamond polishing and understand valuation basics
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Learn what makes diamonds sparkle at the world's oldest polishing factory
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Make your engagement or special occasion royal and unforgettable
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