Royal Coster Diamonds
Royal Coster Diamonds is the oldest diamond cutting company in the world. The Amsterdam diamond house is known for its craftsmanship, passion, a large stock of high-quality diamonds and a personal approach.
Located on the Museumplein in Amsterdam, we are at your service for diamond jewelry, high-end watches, tours and workshops.
Visit our new boutique
Gift Card
Looking for a meaningful and personal gift for someone? Surprise that special person with our gift card to find their dream piece of jewelry.
Luxury Watches
at discounted prices
Up 20% discount
signature collections
tours and workshops
Mystical world of diamond craftmanship
Design your own ring
Send a sketch of your own design and let our goldsmiths fulfill your wish
Share our knowledge
Learn more about the magic of diamonds
A Guide to Understanding Watches: From History to Care
Discover the fascinating history of mechanical watches, from the 'Nuremberg Egg' to the advent of quartz. At Royal Coster Diamonds, explore our collection of luxury watches, including Coster Watches,...