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 ...

A rare colored diamond is heading to auction. In June, Sotheby's in New York is set to auction off a nearly 11-carat diamond called the Eternal Pink. The colored stone is a cushion shape and is ...

Jewelry collectors will soon have several rare chances to add a beautiful blue diamond to their vaults. Starting this fall, Sotheby’s will auction off eight blue diamonds from luxury jeweler De Beers.

Pink diamonds are extremely rare and coveted — a now-closed mine in Australia has been the source of 90% of the colored gemstones. Polished pink specimens of the highest grade can sell for tens of ...

In Geneva, sales at the three auction houses totaled $145,934,377, including $77,703,074 at Christie’s Magnificent Jewels; $46,531,921 at Sotheby’s Magnificent and Noble Jewels; and $21,699,382 at ...