A diamond necklace that has been worn at two British coronations, and is thought to contain stones from the infamous necklace ...

Composed of approximately 300 carats of old mine-cut diamonds, the historic piece was once worn during royal coronations and ...

The Foxfire - a two-billion-year-old 187.7-carat diamond unearthed at the Diavik mine - was displayed around ... current rough form but will instead be cut and polished in the coming weeks.

A billion-year-old black diamond, believed to be the largest cut diamond on Earth, is going up for auction. There are competing theories about the origins of the gem, named The Enigma, including ...

A stunning jewel which could have helped spark the French Revolution is being sold at auction – and is expected to fetch ...

Composed of approximately 300 carats of old mine-cut diamonds, the historic piece was once worn during royal coronations and is rumoured to hold ties to the scandal that tainted Marie Antoinette’s ...