Ongoing studies enhance lab-grown diamond production for electronic uses, focusing on growth conditions, protective ...

The magnificent necklace may contain diamonds involved in a scandal surrounding Marie-Antoinette, that would eventually ...

The 300-carat necklace thought to be at the center of the infamous 'Affair of the Diamond Necklace' that contributed to the ...

Worn at Queen Elizabeth II’s coronation in 1953, the 300-carat diamond necklace sold Wednesday for more than twice its ...