The stone, unearthed at the Karowe mine in northeastern Botswana, is now under study by the Gemological Institute of America (GIA). Their researchers believe the diamond likely formed in two distinct ...

On top of it, the marketplace for diamonds can be really confusing. There are grades of clarity and color that lead to an overall quality rating. And, of course, diamonds are very expensive. The ...

Deep below the surface of our world, far beyond our feeble reach, enigmatic processes grind and roil. Every now and then, the Earth disgorges clues to their nature: tiny chthonic diamonds encasing ...

(CNN) — Pink diamonds are extremely rare and coveted — a now-closed mine in Australia has been the source of 90% of the colored gemstones. Polished pink specimens of the highest grade can sell for ...

The lab grown diamond industry has become more and more popular in recent years. "Laboratory grown diamonds are very popular," said Joe Yatooma, owner of Dash Diamonds in West Bloomfield. Yatooma said ...

Discover how a visitor found “The Duke Diamond,” a 3.81-carat brown diamond, after heavy rains in Crater of Diamonds State Park.