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 ...

If you gaze into the Winston Red Diamond long enough, it almost seems to burn. The 2.33-carat gem gleams a deep, saturated crimson, as if the Earth itself bled light into its facets. This tiny stone ...

Wondering how the color of your diamond might affect its value? Read our guide and learn everything you should know about diamond colors and value. The color of diamonds has a huge impact on their ...

A rare blue diamond was on display Tuesday at an exhibition of $100 million worth of the world’s rarest diamonds in the United Arab Emirates’ capital, Abu Dhabi. The eight diamonds on display at the ...

A rare bi-colored pink diamond of “astounding weight” was found at the Karowe diamond mine in Botswana, according to the Gemological Institute of America. Lucara Diamond A rare rough, or uncut, pink ...

A rare blue diamond set in a ring sold for $43.8 million at a Christie's auction in Geneva. Christie's said that the 17.61-carat diamond, the Bleu Royal, is among the rarest to exist. The Gemological ...

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 ...

The Smithsonian's National Museum of Natural History acquired one of the world's rarest gemstones.Natural red diamonds are some of the rarest gems on Earth, and the Winston Red Diamond is exceptional ...