Royal Coster Diamonds
With nearly 200 years of experience, we are experts in diamond cutting. We have created jewelry for Prince Napoleon, for Empress Sisi and in 1852, the craftsmen of Royal Coster were chosen by Queen Victoria to re-polish the largest diamond in the world; the Koh-I-Noor. Located on the Museumplein in Amsterdam, we are at your service for diamond jewelry, high-end watches, tours and workshops.
Luxury Watches
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Up 20% discount
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Looking for a meaningful and personal gift for someone? Surprise that special person with our gift card to find their dream piece of jewelry.
signature collections
tours and workshops
Mystical world of diamond craftmanship
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Learn more about the magic of diamonds
Amsterdam: City of Diamonds
How did Amsterdam become the City of Diamonds? Amsterdam has been the City of Diamonds for more than 400 years. The story of how Amsterdam became the diamond capital of...
Brief History of Diamonds
In the hectic days of constant rushing around, the little sparkle of a diamond helps you pause for a second and forget about the worries of the world. Take that...