The debut of its sixth patented cut, the Royal Asscher Emerald, was just one of the celebration events. By Ginanne Brownell Reporting from Amsterdam As Asscher family legend goes, Abraham Asscher had ...

The show's expert noted that the ring is set in a "true deco mounting." One woman brought her late grandmother's engagement ring to the experts at Antiques Roadshow for an appraisal. On the episode, ...

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 ...

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 ...