
Free Guided Diamond Factory Tour
Visit the oldest diamond polishing factory in the world and enjoy a free guided tour in your own language. Watch the craftsmen and women cut and polish rough stones into beautiful diamonds. During the tour your experienced guide will tell you about the origins of diamonds, the 4C's of diamond valuation, the origin of diamonds and much more.
In a private room you will see part of the largest collection of unset diamonds and you will also see the Royal 201 diamond, This is Royal Coster's own patented diamond and known to be the best diamond in the world.
See the Koh-I-Noor, in the British Crown Jewels and some more of spectacular diamond artifacts.
Enjoy the jewelry collection at Royal Coster Diamonds!
What do you get?
- FREE tour available in 35 languages
- See largest diamond collection in Europe
- See the Royal 201 Patented Collection
- Learn about diamond facts
- See the Koh-I-Noor, in the British Crown Jewels
- Tax free shopping
Experience royal coster





Visit royal coster
Book an experience and learn about our heritage or visit us to see more diamonds & jewelry