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 ...

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 ...

Diamonds have always captured people’s imaginations with their sparkle and rarity. These gems are not only priceless but full of history and mystery. Let’s dive into some surprising facts about the ...

In a groundbreaking achievement, scientists have successfully synthesized an elusive type of diamond that is predicted to be 50% harder than traditional diamonds found on Earth. This remarkable feat, ...

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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 ...

“I myself am happy to pay higher and higher prices for rare stones, and so are my clients.†—Laurence Graff SITTING IN HIS CORNER office overlooking New York City’s West 47th St., Laurence Graff ...

A simulated form of carbon called BC8, or 'super-diamond', could be 30% tougher than normal diamonds, but synthesizing it on Earth won't be easy. When you purchase through links on our site, we may ...