The Christie’s Geneva Magnificent Jewels auction at the Four Seasons Hotel des Bergues achieved more than $75.8 million.

GENEVA -- A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ($26.6 ...

A vivid blue diamond weighing 9.51 carats and previously belonging to Rachel "Bunny" Mellon, the aristocratic philanthropist ...

A rare blue diamond was on display Tuesday at an exhibition of $100 million worth of the world’s rarest diamonds in the United Arab Emirates’ capital, Abu Dhabi. The eight diamonds on display at the ...

Blue Diamond’s manufacturing plant in Sacramento will close gradually over the next 18 to 24 months, with the first layoffs beginning in September, according to a layoff notice filed with the state ...

The world’s largest blue diamond ever to come to auction has sold for 450,925,000 HKD, or $57.5 million. Named “The De Beers Cullinan Blue,” the massive 15.10-carat step-cut gem sold at Sotheby’s in ...

Businesses across multiple industries have felt the intense supply chain pressures brought on by COVID for nearly five years now. As a result, 86.2% of businesses have spent the last few years working ...

A four-alarm fire at the Blue Diamond almond factory in downtown Sacramento, Calif., has been “completely extinguished,” the Sacramento Fire Department confirmed late on Monday night. The fire ...

In a sea of jewels, one particular stone has been stealing the show. A rare 10-carat Mediterranean blue diamond from South Africa was on display in an exhibit featuring $100 million worth of the world ...