On top of it, the marketplace for diamonds can be really confusing. There are grades of clarity and color that lead to an overall quality rating. And, of course, diamonds are very expensive. The ...

Jeweler Harry Winston donated the famous Hope Diamond—the largest-known deep blue diamond in the world—to the Smithsonian Institution in 1958. It arrived in a plain brown package by registered mail, ...

Deep below the surface of our world, far beyond our feeble reach, enigmatic processes grind and roil. Every now and then, the Earth disgorges clues to their nature: tiny chthonic diamonds encasing ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." For people who want to get married, the diamond engagement ring is a tale as old as time—and advertisers ...

Pink diamonds are extremely rare and coveted — a now-closed mine in Australia has been the source of 90% of the colored gemstones. Polished pink specimens of the highest grade can sell for tens of ...

Diamonds are prized for their hardness. In jewelry, they can last generations and resist scratches during day-to-day wear. As blades or drill bits, they can penetrate almost anything without getting ...

Diamonds have long been the ultimate symbol of love and commitment, their sparkling brilliance forever linked to life’s most emotional moments. Thanks to decades of marketing genius—most notably from ...

Many a special diamond has been unearthed in Botswana, but this one is something else. A diamond split cleanly in two—one half a soft pink, the other perfectly clear—measuring just an inch long and ...