The second-largest diamond ever found - a rough 2,492-carat stone - has been unearthed in Botswana at a mine run by Canada firm Lucara Diamond. It is the biggest find since the 3,106-carat ...

The largest diamond found in more than a century has been unearthed at a mine in Botswana, and the country's president showed off the fist-sized stone to the world at a viewing ceremony Thursday.

The largest diamond ever found was a carbonado from Brazil; named Sergio, the stone weighed 3,167 carats. (One carat equals one-fifth of a gram.) The origins of carbonados have long baffled ...

The Lesedi La Rona diamond is the second-largest diamond discovered in over a century. But it failed to sparkle enough interest from bidders at a June 28 Sotheby’s auction in London. A ...

However, they've also been found in Brazil, India, and Tanzania, as well as Angola. The largest known pink diamond is the Daria-i-Noor (Sea of Light) diamond, which was mined in India, is part of ...