Amsterdam Sights

Coster Diamonds

the oldest diamond polishing factory in Europe

Coster Diamonds has cut many famous diamonds, such as the world famous Koh-I-Noor, a blue-white diamond which is part of the British crown jewels. They also cut the beautiful Dresden diamond, which belongs to the Saxon Crown Jewels. During the tour you will also see the Lucullan, the largest unpolished gem in the world.

Coster Diamonds polishers at work

Free guided tour

Book a free guided tour through the mystical world of diamonds in your own language. Learn about the 4 C's of diamond valuation, the origin of diamonds and see craftsmen and women cut and polish rough stones into beautiful diamonds in all shapes and sizes.
Book a free tour       open daily from 9:00 to 16:30

In addition to a guided tour through the building, which will take you along the most famous diamonds this diamond merchant has, you will be able to see how diamonds are cut and polished.

At the end of the tour you will have the opportunity to buy diamonds or other jewellery. If you do not intend to buy diamonds it is still quite interesting to step inside.

How to get there?

By tram: 2 or 5 stop Waterlooplein
By bus: 145, 170, 172, 174 or 197 stop Rijksmuseum


Coster Diamonds Amsterdam
 click on image to enlarge map

Coster Diamonds

Paulus Potterstraat 2-6
Amsterdam (Museumplein)

official website

Opening hours

Sun 09:00 - 17:00
Mon 09:00 - 17:00
Tue 09:00 - 17:00
Wed 09:00 - 17:00
Thu 09:00 - 17:00
Fri 09:00 - 17:00
Sat 09:00 - 17:00

coster Queen Maxima of the Netherlands wearing royal jewels from Coster Diamonds

Diamond industry

diamonds when in Amsterdam visit one of the authentic diamond factories - a reminder of Jewish Amsterdam

The history of the diamond

see actual diamond cutters and goldsmiths at work in the Diamant Museum Amsterdam