Earlier this week, Sotheby’s issued a breathless press release that announced the sale of a large and extremely rare black diamond described as “a treasure from interstellar space.” Dubbed “The Enigma ...

GENEVA (AP) — A diamond brooch that French emperor Napoleon lost while fleeing from the Battle of Waterloo in the early 19th century sold for more than 3.5 million Swiss francs (about $4.4 million) at ...

Trump’s tariffs and shifting tastes reshaped the close of the 2025 auction season, as colored gems and signed jewels ...

An impeccable diamond coming up for auction takes pretty in pink to an entirely new level. The Eternal Pink Diamond, a 10.57-carat jewel, was fashioned from a 23.78-carat rough stone discovered in ...

The Sotheby’s Magnificent Jewels sale, set for June 7 in New York, is brimming with high-level gemstones, including a 53-carat flawless diamond, and several colored diamonds—including a rare ...

March 29 (UPI) --Sotheby's on Wednesday unveiled the most valuable purplish pink diamond per carat ever brought to auction. The diamond known as "The Eternal Pink" will go up for auction in Hong Kong ...

Feb. 16 (UPI) --A 15.1-carat blue diamond is expected to fetch at least $48 million when it goes to auction in April in Hong Kong, Sotheby's announced Wednesday. Known as the De Beers Cullinan Blue, ...

Sotheby’s is set to auction the De Beers Cullinan Blue Diamond in April during its Hong Kong Luxury Week sales, starting at an estimate of $48-million. The 15.10-carat step-cut diamond is the largest ...

GENEVA (AP) — A diamond brooch that French emperor Napoleon lost while fleeing from the Battle of Waterloo in the early 19th century sold for more than 3.5 million Swiss francs (about $4.4 million) at ...