What a rock! Rare large pink diamond discovered. 0:46. This photo supplied by Lucapa Diamond Company on Wednesday, July 27, 2022, shows the 170 carat pink diamond, right, recovered from Lulo, Angola.

While it may look like a blazing red ruby, the 2.33-carat Winston Red Diamond is just that—a diamond. One of the rarest diamonds in the world, the Winston Red Diamond is on display at the Smithsonian ...

Pink diamonds are extremely rare and coveted. But a discovery made in Western Australia near a now-closed mine may help reveal new deposits of the jewels, researchers say.

This kaleidoscopic image is a diamond cradle rock under a microscope. In this view, ... Our model offers the alternative perspective that diamonds may have actually always been rare.

Rare diamonds found in meteorites called ureilites have a folded hexagonal structure. Learning the process of how they were formed could inspire better lab-grown diamonds.

Diamonds were no longer rare at all, and that meant that they weren’t necessarily worth—and didn’t necessarily mean—much of anything.

Pink diamonds are extremely rare and coveted. But a discovery made in Western Australia near a now-closed mine may help reveal new deposits of the jewels, researchers say.

A woman claims to have discovered a 'very rare' diamond in her garden after a heavy rainfall brought it to the surface. The woman, from Virginia, America, explained how she came across the diamond ...

Colored diamonds, particularly high-quality blues and pinks, have always commanded top dollar. But the recent action at the auctions and among high-end dealers indicates that — as often happens in ...

Pink diamonds are extremely rare and coveted. But a discovery made in Western Australia near a now-closed mine may help reveal new deposits of the jewels, researchers say.