As supercontinents break up, huge volcanic explosions are triggered deep in the Earth’s crust and mantle, pulling diamonds rapidly to the surface. Based on a 2023 study in the journal Nature ...

A big, beautiful diamond. Sure, it catches light like no other gem, and it's the hardest material on Earth, and it's worth an awful lot of money. But what is it really but a collection of ordinary ...

Diamonds have always been admired for their beauty, but now they might become a powerful tool for astronomers and scientists.

It’s ejected violently upward until it arrives at or near the earth’s surface. It’s forced from its hiding place by nature or by man. Then it’s cleaved and cut and polished until its natural beauty ...

Most diamonds start their journey about 90 to 150 miles beneath the surface, in a part of the Earth’s mantle where temperatures soar to around 2,000 degrees Fahrenheit, and pressures are ...

A billion-year-old black diamond, believed to be the largest cut diamond on Earth, is going up for auction. There are competing theories about the origins of the gem, named The Enigma, including ...