Stolen: Heist of the Century, a documentary about what’s considered the world’s largest diamond heist, is a cut above other true crime fare because in this one, the filmmakers interview the mastermind ...

In 2000, Lee Wenham planned what would have been the world's largest jewel heist, targeting De Beers diamonds valued at more than $500 million. The plan involved a dramatic raid on London’s Millennium ...

One lucky Minnesotan and his family unearthed a 3.81-carat diamond during a recent visit to Diamonds State Park, park officials confirmed. The diamond is the largest one found in the park so far this ...

A 170-carat pink diamond discovered in Angola may be the largest such gemstone found in 300 years, according to Australian miner Lucapa Diamond Company. Named the "Lulo Rose," the diamond was found at ...

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 ...

Lesotho's biggest diamond mine, Letseng, has laid off 240 workers, a fifth of its workforce, as it battles persistently low gem prices due to weak demand and an uncertain global economic environment, ...

The increasing popularity of lab-grown gems is creating the biggest disruption in the diamond market since early last century ...

It's the 27th biggest recorded diamond in the world, Lucapa Diamond Co. said. — -- A massive, 404-carat diamond was found in the southern African country of Angola, the Lucapa Diamond Company ...