A rare diamond is going up for auction in Switzerland this week. Sotheby's is selling the rare vivid purple-pink diamond called "Spirit of the Rose". It's 14.83 carats making it the largest of its ...

A white diamond labeled “The Rock,” reported to be the largest to hit the auction block, will be up for sale on May 11 in Geneva, Switzerland. The diamond is will be part of an auction by Christie’s ...

A stunning, internally flawless, vivid blue 17.61 carat diamond aptly titled "Bleu Royal" was sold at auction last week for over $44 million to an anonymous purchaser. The jewel, set between two ...

A Christie's employee displays an 18.96-carat fancy vivid pink diamond during a preview at Christie's in Geneva, Switzerland, on Nov. 8, 2018. Christie's sold the "Pink Legacy" diamond at auction on ...

Forbes contributors publish independent expert analyses and insights. Two decades analyzing U.S. trade data by port, country, export, import This article is more than 4 years old. Gold was the leading ...