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 top lot of the Sotheby’s auction was a 4.50-carat internally flawless oval mixed-cut fancy vivid blue diamond that ...

Christie’s is proving that good things most definitely come in threes. The auction house has chosen an eye-popping trio of colored diamonds to lead its latest sales event. The Magnificent Jewels sale, ...

A 9.51-carat blue stone that once belonged to the heiress Bunny Mellon sold for $7 million less than at its last auction, a ...

MILAN — As a third-generation member of the Arslanian diamond dynasty, which began almost 75 years ago, Sahag Arslanian is bringing his expertise to the table by launching his first namesake ...

Extreme geological events, like the kind that form mountains, can ‘deform’ a diamond, giving some their unique colors, experts said.

(CNN) — 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 ...

In a year that has seen more than its share of exceptional fancy-colored diamonds entering the auction market, one more has emerged: a 13.15-carat Fancy Vivid pink diamond that will likely be the top ...

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 ...