A dirty, $10 diamond with a prize inside has helped reveal that there are vast quantities of water stored deep inside the Earth. The diamond formed in the "transition zone" around 410 to 660 ...

A recent paper published in the journal Nature points to a “superdeep” diamond recovered in Kankan, Guinea, as the messenger of new information on plate tectonics, the geological processes that give ...

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 ...

Geology professor Dan Schulze calls this singular gem from the remote Guaniamo region of Venezuela the "Picasso" diamond. The blue luminescent, high-resolution image of a diamond formed over a billion ...

Buying a diamond is an emotional moment. Whether it’s for an engagement ring, a Diwali gift, or simply a treat-yourself purchase, that sparkling stone holds meaning far beyond its carats. But here’s ...

Britain’s Crown Jewels include a “super deep” diamond that was formed close to the Earth’s core. The Cullinan Diamond is the largest diamond ever discovered and experts have used pioneering laser ...

Ancient diamonds studied by a group of French and Canadian researchers revealed that the presence of life-giving elements in sufficient quantities appeared soon after Earth formed, and has remained ...