Add Yahoo as a preferred source to see more of our stories on Google. Watch auctions are divided into two categories: Patek Philippe and Rolex, which represent the bulk of the value; and everything ...

Is the global turmoil driving sales of portable assets? Or is it just a love of rare jewels? By Jill Newman Alisa Moussaieff was in her London office on May 14, having lunch and bidding over the phone ...

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 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 ...

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 ...