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 ...

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 ...

Lita and Mike Asscher, the young, energetic sixth generation heirs to the 157-year-old family owned firm, introduced several new jewelry designs over the past few years. During the recently concluded ...

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, ...