“These findings resolve the long-standing controversy on the existence of hexagonal diamond,” researchers said.

The Florentine Diamond, long thought lost, has finally resurfaced. Turns out, the historic gem was never missing, but locked away in a bank vault in Canada since World War II, according to a November ...

To misquote a famous song, "Diamonds are industry's best friend." Cubic diamond is the hardest mineral on Earth and is used in everything from precision cutting tools to high-performance ...

The priciest-ever online sale of a single diamond was completed last month — and the buyer believes he got a bargain on the gem. A 59-year-old businessman from the Midwest bought a massive diamond ...

A rare bi-colored pink diamond of “astounding weight” was found at the Karowe diamond mine in Botswana, according to the Gemological Institute of America. Lucara Diamond A rare rough, or uncut, pink ...