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 ...

When shopping for a diamond, whether for an engagement ring or a piece of fine jewelry, you’ll quickly encounter the term Four Cs—Cut, Color, Clarity, and Carat Weight. These four characteristics ...

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 ...

The auction reflects the continued strength in fancy-colored diamonds and exceptional colored gemstones at the high end of the market ...

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 ...

The days are getting longer, and the flowers are starting to bloom—the signs of spring are here, and warmer days are just around the corner. That means it’s time to start packing up your dark winter ...

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.