De Beers reportedly cut rough diamond prices in January, a rare retreat by the industry’s once-dominant broker as slumping ...

The 41.28ct blue diamond unearthed at the famous Cullinan Mine, could be one of the most significant gemstones ever to be ...

A large blue diamond has been found in a South African mine which experts believe could reach up to £30m at auction.

Diamond giant De Beers slashed the price of its precious solitaires amid plunging sales as bargain-hunting fiancées increasingly opt for cheaper lab-grown gems. Among De Beers’ larger stones, one ...

The ultra-rare stone could fetch up to $40 million, signalling a bright spot for a diamond sector under pressure.

Most uncut gems are bought by dealers and jewelers, but a new business is selling them to the public. By Milena Lazazzera Uncut diamonds usually are sold to dealers or jewelers who then incorporate ...