Researchers in China say they have produced hexagonal diamond, a long-disputed form of carbon that theory predicts could be ...

Have you ever wondered how those resplendent lab-grown gems are created? Buckle up because we're in for a deep dive, discussing some cool stuff about how those synthetic gemstones are made. Nowadays, ...

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.

A diamond is a solid rock of carbon and the hardest known naturally occurring substance. Because diamonds also have some extraordinary optical and physical properties, intensive research is underway ...

Pink diamonds are some of the rarest gems you'll find on the planet. In fact, these diamonds are so rare that a single mine in Australia has been the source of almost 90 percent of the colored ...