Watch auctions are divided into two categories: Patek Philippe and Rolex, which represent the bulk of the value; and everything else. Likewise, jewelry auctions fall into two camps: colored, large, or ...

Blue diamonds are considered the rarest and most desired on the market. A particularly big one sold for millions at Sotheby’s on Thursday, scraping just beneath the surface of its $26 million ...

Pink diamonds are already among the rarest gemstones on earth. Add to that a documented royal provenance, an 18th-century ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Pink diamonds are some of the rarest gems you’ll find on the planet. In fact, these ...

The Australian high jeweler unveils the 'Jardin Collier'—a seven-year creation set with six exceptionally rare diamonds, including prized Argyle fancy-colored diamonds ...

CINCINNATI (CNN Newsource/WKRC) - An extremely rare blue diamond sold at an auction in Geneva on Tuesday. It sold for nearly $44 million, making it the most expensive diamond sold at auction this year ...

Pink diamonds are so incredibly rare that they can sell for many millions of dollars. Scientists believe the ultra-rare gems turn pink or red when tectonic plates collide with unusually strong forces, ...

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Feb 25 (Reuters) - At this year's Oscars, the jewelry on the red carpet will be bold statement earrings and chunky necklaces, as well as rare natural diamonds and a more creative use of gems by male ...