A miniature of a diamond polishing factory from around 1840 in the Jewish Historical Museum. On the far right are polishers seated at the polishing wheels. Assistents place the gemstones in the holder. In the middle is a table at which cleavers and cutters are at work. On the left two dealers are using scale s to weigh the gemstones.
Amsterdam has a 300 years history of diamond history and this is a Tile Tableau of the famous Ascher family who workes for generations in this industry.
The Cullinan in its raw state was found in South Africa in 1905, it was the largest an most precious gem -quality rough diamond ever found. It has been cleaved into smaller pieces and now are part of the Bristish Crown Juwels.
The Jewish Historical Museum has an interesting exhibition about the Amsterdam Diamond Industry.
See for more "here".