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Visit in the heart of Amsterdam

Free Guided Diamond Factory Tour

A free tour in your own language

Visit the oldest diamond polishing factory in the world and enjoy a free guided tour in your own language. Watch the craftsmen and women cut and polish rough stones into beautiful diamonds. During the tour your experienced guide will tell you about the origins of diamonds, the 4C's of diamond valuation, the origin of diamonds and much more.
In a private room you will see part of the largest collection of unset diamonds and you will also see the Royal 201 diamond, This is Royal Coster's own patented diamond and known to be the best diamond in the world.

See the Koh-I-Noor, in the British Crown Jewels and some more of spectacular diamond artifacts.
Enjoy the jewelry collection at Royal Coster Diamonds!




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Overview

Royal Coster Diamonds invites you for a free guided tour in the heart of Amsterdam. Explore the mystical world of diamonds in your own language. Watch our craftsmen and women cutting and polishing the most beautiful diamonds and see our goldsmiths making our jewelry collection.

Highlights

  • FREE tour available in 35 languages
  • See largest diamond collection in Europe
  • See the Royal 201 Patented Collection
  • Learn about diamond facts
  • See the Koh-I-Noor, in the British Crown Jewels
  • Tax free shopping

Opening hours

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Discover the magical world of diamonds

Our Coster packages

Free

Great For Events: The Champagne Diamond Surprise

If you are looking for a sparkling exciting addition to any event; the Champagne Surprise is perfect for you. Every guest gets a glass of champagne with a little sparkling stone inside. But is it a real diamond or a fake one?

Our diamond polishers will check each stone closely with a diamond loupe and reveal who is the lucky winner.

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€475

The Diamond Masterclass Deluxe

This Masterclass Deluxe is given exclusively by our best diamond polishers. They give you an in-depth Masterclass that ends – if you do it correctly – with an official certificate.

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€12.50

The Royal Experience

Experience diamonds like Royals do. Royal Coster Diamonds is the oldest diamond polishing factory in the world. Since our establishment in 1840, Royals from all over the world came to Amsterdam to see our impressive craftsmanship.

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