I.J. Asscher and Company
Dutch company
Quick Summary
I.J. Asscher and Company was a Dutch company based in Amsterdam, renowned for its diamond cutting expertise. They were responsible for cutting the Excelsior diamond in 1904, which was the world's largest known uncut diamond at the time. In 1908, they also undertook the complex task of cutting the Cullinan diamond, the second-largest gem diamond ever found, into nine major stones and numerous smaller ones. These diamonds are now part of the British Crown Jewels.12
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