In February 1908, before an anxious audience in his Amsterdam workshop, Joseph Asscher raised his knife to cleave the world’s largest diamond, the 3,106-carat Cullinan. Upon impact, the blade broke in ...

Cutting the Cullinan diamond was a tremendous undertaking, not least because Edward VII was initially keen on keeping it in its rough state. However, Joseph, who founded what became the Royal Asscher ...

Not to be confused with the shape, the cut refers to symmetry, proportioning and polish – and is the only man-made ‘C’ from the ‘four Cs’ (colour, carat and clarity) Diamonds have an intrinsic beauty ...