At the heart of it since 1840.

At the heart of it. Since 1840.

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Why not explore our new Luna Collection?

Breakfast at Coster

Enjoy a a champagne breakfast, lunch, or high tea in our monumental villas. In addition, you receive a private tour of Royal Coster Diamonds; the oldest diamond polishing factory in the world.

Breakfast at Coster is an initiative in which we invite you for a special experience at Royal Coster Diamonds. Here you can sign up for a champagne breakfast, lunch, or high tea. In addition to this breakfast, this lunch or high tea, you receive a private tour of Royal Coster Diamonds; the oldest diamond polishing factory in the world. You learn from our diamond experts how to distinguish a real diamond from an imitation. Above all, you leave with a nice goodie bag.

What do you get?

- Enjoy a breakfast, sandwich lunch or high tea

- Personal Guided Tour

- Explanation about the 4 C's of diamonds

- Learn the difference between a real and an imitation diamonds

- Learn about the diamond history of Amsterdam

- See real loose diamonds in all shapes and sizes

- See famous diamond artefacts like the Koh-I-Noor

- See the Royal 201 Patented Collection

Experience breakfast at Royal Coster

free diamond tour & workshops

visit royal coster

Book an experience and learn about our heritage or visit us to see more diamonds & jewelry