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 ...

Diamonds are made out of carbon — highly organized carbon, that is. Geologists are still guessing how diamonds formed in the ...

A study found that Australia's tectonic plates stretched, creating large deposits of pink diamonds. Pink diamonds are made under extreme pressure when two continents collide. The scientists hope that ...

“A diamond is forever.” That iconic slogan, coined for a highly successful advertising campaign in the 1940s, sold the gemstones as a symbol of eternal commitment and unity. But our new research, ...

The world’s largest source of natural diamonds — and of more than 90 percent of all natural pink diamonds found so far — may have formed due to the breakup of Earth’s first supercontinent, researchers ...

These diamond makers create one of the most amazing materials on Earth — from dead people. For centuries, diamonds were one of the most mysterious materials on Earth. They were beautiful, ...

Diamonds aren't always colorless; they can also be blue, yellow, green and even pink. But what makes these jewels come in varied hues? After forming, diamonds need to rise to the surface very quickly ...

Botswana's Karowe mine just produced a record-breaking 2,492-carat diamond, the largest unearthed in over a century.

Carl Walsh holds a QUT postgraduate research award (PRA) scholarship. Balz Kamber receives funding from the Australian Research Council for Discovery Grant DP220100136 for work that will build on the ...

Diamonds present at the birth of the Okavango Delta have a lasting connection to this landscape and are playing a unique role in its conservation today. 3:41 Geological time and tectonic forces have ...