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 ...

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

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The dramatic break up of an ancient supercontinent could be behind ...

Seemingly contradictory materials are trapped together in two glittering diamonds from South Africa, shedding light on how ...

South African diamonds have revealed nickel-rich metallic inclusions, offering the first direct evidence of reactions predicted to occur deep in Earth’s mantle. The study shows how oxidized melts ...

New research is shedding light on the tumultuous processes that give rise to diamonds, by homing in on a distinct purple companion found alongside them. Diamonds are highly prized for their qualities ...

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 ...

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.