Contact a diamond consultant

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a diamond consultant

Our award winning diamond consultants help you select the best diamond jewellery for any budget.
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Engagement Workshop in Amsterdam

The 4 monumental villas of Royal Coster Diamonds are located in the heart of
Amsterdam, between the Van Gogh Museum and the Rijksmuseum. Our master craftsmen have been creating the most wonderful diamond jewelry and precious diamonds since 1840 for royals around the world and now you and your loved one can become a part of that legacy.

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A diamond represents love

A diamond is a physical manifestation of the feelings of love and affection the giver has for the new owner and to be able to go to a journey that starts millions of years ago and ends on the finger of your loved one a remarkable and beautiful experience.

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The Engagement Workshop

Our engagement workshop has been developed for couples who want to learn more about diamonds or are preparing for an engagement or anniversary. Buying an engagement ring is special by itself, but adding the experience of education and polishing a diamond by yourself will make it truly an unforgettable experience.

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Free guided tour in your own language

You will get a hostess who will explain the origins of diamonds in your own language and show you some of the world’s most fascinating diamond artifacts like the Koh-I-Noor which we polishing for the British royals in 1853.

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Polish your own diamond

You will sit behind the polish disk with an experienced master diamond polisher who will show you how to polish a diamond up close and personal. You will perhaps even get a chance to polish a facet yourself!

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A beauty that lasts for centuries

And finally you will be taken to our luxurious V.I.P. room where you will see a collection of diamonds and diamond jewelry to choose from, ending the experience with a glass of champagne.

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Coster Diamonds