Royal Coster Diamonds invites you to a visit in the heart of Amsterdam for a free guided tour. Explore the mystical world of diamonds in your own language. Watch our craftsmen and women cut
Experience diamonds like Royals do. Royal Coster Diamonds is the oldest diamond polishing factory in the world. Since our establishment in 1840, Royals from all over the world came to Amsterdam to see our impressive craftsmanship.
Our engagement workshop is for couples who are preparing for an engagement or anniversary and want to learn more about diamonds before they purchase. Make buying your engagement ring as an unforgettable experience.
This Masterclass Deluxe is given exclusively by our best diamond polishers. They give you an in-depth Masterclass that ends – if you do it correctly – with an official certificate.