Amsterdam Diamond Centre Nieuwe Uilenburgerstraat 173-175 Amsterdam Amsterdam is nicknamed City of Diamonds and there are various workshops in the city which show how this precious stone is cut. The largest diamond found, the 3,106 carat Cullian was cut in Amsterdam along with the smallest diamond in the world with only 0,0012 carats. Some of the most famous workshops are the Amsterdam Diamond Centre and Gassan Diamonds. Gassan Diamonds is the oldest workshop which was founded in 1878 and offers guided tours where you can see replicas of the largest diamonds in the world. Amsterdam Guide | Monuments in Amsterdam Leave a Reply Cancel Reply Your email address will not be published.CommentName* Email* Website Save my name, email, and website in this browser for the next time I comment.