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 ...

A pair of diamonds that formed hundreds of kilometers deep in Earth’s malleable mantle both contain specks of materials that form in completely opposing chemical environments—a combination so unusual ...

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 ...

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 ...

Provided you have ever been amazed by the shine of a diamond, then there must have been a moment when you questioned how it entered your jewelry box instead of remaining under the Earth’s surface.

Most gemstones are found at depths of 5km to 40km underground, but some can be easily found in shallow soil, while others can only be found deeper underground. Live Science, a science media outlet, ...

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 ...

A team of Chinese scientists may have cracked the secret behind the strange Canyon Diablo diamonds. Hexagonal in form rather than cubic, the process behind how these diamonds formed has, until now, ...