A tennis ball-sized rough diamond has been sold for $53 million (€44.7m) The 1109 carat "Lesedi La Rona" diamond is displayed in a case at Sotheby's A tennis ball-sized rough diamond unearthed nearly ...

The largest gem-quality rough diamond to be found on Earth in over a century is coming to auction June 29. Sotheby’s London will present the huge tennis-ball sized gem—dubbed the Lesedi La Rona ...

A small Canadian diamond company has found what it says is the world’s second-biggest gem quality diamond ever recovered, and the largest in more than a century, at its mine in Botswana. Lucara ...

Unearthed in Botswana last year, the 2,492–carat stone is known as Motswedi. Before it finds its home, gem dealer HB Antwerp needs to price it – something that is proving tricky. 'At the moment it's ...

A small Canadian diamond company has found what it says is the world's second-biggest gem quality diamond ever recovered, and the largest in more than a century, at its mine in Botswana. Lucara ...

High in the mountains of a small southern African kingdom, miners have unearthed one of the largest diamonds ever found, a glittering giant weighing 910 carats, or 6.4 ounces, and probably worth tens ...

The bidding did not reach the unspecified reserve price. — -- After much admiration and anticipation, the world’s largest uncut diamond failed to sell at a public auction Wednesday night. The ...

The Rock, the biggest white diamond ever auctioned, has sold for 21.7m Swiss francs (€20.75m), far short of the record for such a jewel. The 228.31-carat stone, larger than a golf ball, was sold in ...