Diamonds are famous for their strength, but scientists have long suspected that another form of diamond might be even harder. Evidence of this was gathered over the past sixty years in meteorite ...

They don’t make them like they used to — at all. It can take natural diamonds over three billion years to grow, but researchers in a South Korean lab have successfully fabricated the precious stones ...

Diamonds form deep within the Earth's mantle, around 250 kilometers below the surface, where immense pressure (up to 10 GPa) and temperatures (around 2,200 °C) compress carbon into diamonds over ...

Lab-grown diamonds have become a popular choice for jewelry and engagement rings because they’re more affordable and are sourced sustainably. However, if you’re wondering whether lab-grown diamonds ...

Scroll down to begin the experience. Botswana’s Jwaneng Mine sits on the edge of the Kalahari Desert, a vast expanse spanning much of southern Africa, its arid plains peppered with acacia trees and ...

Diamonds from deep underground now reveal that the activities of life can have effects far beneath Earth's surface, researchers find. All life on Earth is based on carbon. This element moves through ...

From bespoke engagement rings to timeless tennis bracelets, consider this your official guide.

Diamonds are made out of carbon — highly organized carbon, that is. Geologists are still guessing how diamonds formed in the Earth from 1 billion to 3 billion years ago.