Pink diamonds are made under extreme pressure when two continents collide. The scientists hope that understanding this will help them find new hotspots for colorful diamonds. The world's largest ...

Their rich cocoa-like hues inspired him to launch his fine jewelry line, Chocolate Diamonds. From tennis bracelets and ...

Laid out like an orchestra in a quiet gallery room, 40 colorful gems have one of the planet’s most distinguished conductors: a red diamond, 2.33 of the rarest carats in the world, shining like a ...

MOSCOW (Reuters) - Russia's Alrosa , the world's largest diamond producer by output, plans to boost revenue from selling rare, colored stones where demand is stable, although it is a niche business.

The Smithsonian’s National Museum of Natural History has acquired the 2.33-carat “Winston Red Diamond,” one of the world’s largest fancy red diamonds. It will be unveiled to the public on April 1 as ...

While there's no rule out there that women have to mark the occasion of their engagement with a pretty piece of jewelry, it's a time-honored tradition that a lot of people love. An engagement ring can ...

From bespoke engagement rings to timeless tennis bracelets, consider this your official guide.

The Winston Red Diamond, an exquisite 2.33 carat Fancy red diamond - one of the finest in the world. Photo by Robert Weldon, courtesy of Ronald Winston. The Smithsonian’s National Museum of Natural ...