Our Patented Royal 201 Diamond Shape
Coster Diamonds is the oldest diamond polishing factory in the world.
Our craftsman create the finest diamond jewellery for royals, celebrities, heads of state and young couples visiting Amsterdam. We have more than 400.000 visitors from Europe but also from countries such as China, The U.S.A. Egypt, Indonesia, Vietnam and many more, to learn about diamonds and our Royal Legacy that spans more than 175 years.
Read why we have been the #1 choice for high-end diamond jewellery around the world
Our award winning diamond consultants help you select
the best diamond jewellery for any budget.
Amsterdam is one of the most popular tourist hotspots
due to its perfect combination of romance, culture and fun.
And a trip to the City of Diamonds is not complete without
a visit to Coster Diamonds
Why we have been the best choice for your diamond jewellery since 1840
In our 4 part video series we explain everything there is to know about what determines the value of a diamond.