At te heart of it since 1840.

At the heart of it. Since 1840.

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Why not explore our new Luna Collection?

Tours & workshops - Royal Coster Diamonds

Tours & workshops

Discover the magical world Of Diamonds

Experience the rich and royal heritage of Royal Coster Diamonds and the craft of diamond polishing while you also learn everything you need to know about diamonds.

Ode to Perfection exhibition

A signature cut with a perfect balance that provides an unprecedented brilliance. Five artists have been inspired by the story of the Royal 201, and have created a tribute in their own field.

Luxury Shopping Experience

Due to our rich history and many years of experience, we are rightly seen as the authority in the field of diamonds. We offer the highest standard of certifications and guarantee fair and sustainable diamonds at all times.

the royal experience

Experience diamonds like the Royals did during our Royal Experience. See diamond polishers and goldsmiths at work while your personal guide explains the origin of diamonds and why we are number 1 choice for diamonds.

the diamond masterclass deluxe

Do you want to learn the craft of diamond polishing from the best polishers in the world? And do you want to keep the diamond that you polished? Then this is the perfect experience for you!

The engagement workshop

This workshop is for couples who are preparing for an engagement or anniversary and want to learn more about diamonds and diamond rings before they purchase. Learn everything with us.

Great For Events: the Champagne Diamond Surprise

Get the possibility to go home with a real diamond! Every guest receives a glass of champagne. In each glass, we have placed a real diamond or a cubic zircon. Who gets the real one?

Free guided Diamond Factory Tour

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.

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.