Coster Diamonds is one of the oldest still operating diamond factories in the Netherlands and was responsible for the creation of a number of historical masterpieces, such as repolishing of the Koh-i-Noor, the jewel of the British crown jewels and the Dresden diamond, a part of the crown jewels of the Saxon dynasty.
Currently it employs 10 craftsmen and women who cut diamonds in the studio. The diamond cutters of Coster Diamonds created the smallest diamond in the world, but they put their years of experience and expertise in the crating of the “201”diamond. The diamond is a combination experience and artistry with the latest technological advances in microscopic observation and toolmaking and has a stunning 201 facets.
Coster Diamonds also has a museum with the largest collection of stones in Amsterdam with a weight of more than 1.00 carat.