After decades of debate, researchers say that they have found the clearest evidence yet for this rare form of carbon.

Oval engagement rings are a classic choice for a reason. We break down everything to know about the popular cut from its history to unique setting choices for the stone.

With the right amount of pressure and surprisingly little heat, a substance found in fossil fuels can transform into pure diamond. It sounds like alchemy: take a clump of white dust, squeeze it in a ...

Researchers named it lonsdaleite, after crystallographer Kathleen Lonsdale, but for decades, no one was sure it truly existed. For 60 years, the material had only been reported in meteorite impact ...

Like many of you, we’ve been watching the horrifying developments in the Middle East. As the war with Iran causes violence to spread around the region, nobody knows how long this conflict will last.

Ski mountaineering, or “skimo,” will make its Olympic debut this week. The idea is simple: race uphill fast, then ski back ...

“These findings resolve the long-standing controversy on the existence of hexagonal diamond,” researchers said.

After decades of debates over the existence and properties of one of the world’s ...

Spring is a prime opportunity to check on your jewelry box and see what your collection is missing. Could it be a pendant of your favorite flower? A vintage-inspired dome ring? Or — if you're like me ...

Lab-grown diamonds are gaining traction among shoppers who want maximum sparkle without the traditional markup. Many buyers now choose lab-grown stones over natural diamonds for several reasons. But ...