The top lot of the Sotheby’s auction was a 4.50-carat internally flawless oval mixed-cut fancy vivid blue diamond that achieved more than $5.9 million.

Sotheby's did not disclose the identity of the seller of the brooch, and said that the buyer was a "private collector." ...

Auction houses are outpacing brands thanks to Gen Z, education, innovation and crypto. Here’s what luxury needs to know.

The brooch, which can also be worn as a pendant, features an oval diamond weighing over 13 carats surrounded by smaller cut ...

Sotheby’s Geneva has sold a brooch that purportedly once belonged to Napoleon Bonaparte. The winning bid, made by a private collector, was $4.4 million, far exceeding the roughly $250,000 estimate.

A T SOTHEBY’S GENEVA this past week, a long-lost treasure of Napoleonic history inspired one of the most electrifying jewelry ...

The annual Royal & Noble Jewels auction, held on Wednesday in Geneva, concluded with record sales. The jewel that the French military leader lost at the Battle of Waterloo alone increased its starting ...

The latest blue diamond to hit the auction block certainly lives up to its namesake. The 10.03-carat Mediterranean Blue gem will be the crown jewel at Sotheby’s High Jewelry Auction this May, on sale ...

A rare pink diamond is set to be auctioned on Wednesday and is expected to sell for around $20m (£15.3m). “The Glowing Rose” will be auctioned as part of Sotheby’s high jewellery sale at the Mandarin ...

The largest collection ever assembled by Sotheby’s will featuring over $1 billion in fine art and luxury items, including ...