A pair of diamonds that formed hundreds of kilometers deep in Earth’s malleable mantle both contain specks of materials that ...

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

Two diamonds from South Africa’s Voorspoed mine provide a rare direct insight into the chemistry of Earth’s mantle. Although ...

South African diamonds have revealed nickel-rich metallic inclusions, offering the first direct evidence of reactions ...

Synthetic diamond research examines organic molecular interactions under the microscope. Scientists have long developed ...

Formed millions to billions of years ago, diamonds can shine light into the darkest and oldest parts of the Earth's mantle. The analysis of ancient, superdeep diamonds dug up from mines in Brazil and ...

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 ...

Pink diamonds are made under extreme pressure when two continents collide. The scientists hope that understanding this will help them find new hotspots for colorful diamonds. The world's largest ...

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 ...

WSJ goes inside one of the world’s leading synthetic diamond labs to see how the material — and its applications — are ...

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 ...