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

Napoleon’s brooch led the auction of 65 royal and noble jewels, which achieved a “white glove” result—every lot sold—for a ...

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

Graphene's enduring appeal lies in its remarkable combination of lightness, flexibility, and strength. Now, researchers have ...

A 9.51-carat blue stone that once belonged to the heiress Bunny Mellon sold for $7 million less than at its last auction, a ...

The RIAA reserves its diamond award for songs that have gone 10x platinum or more. Fewer than 200 songs throughout history ...

Empress Zita of Bourbon-Parma wanted the jewel's location to be kept secret for 100 years after the death of her husband, ...

Engagement season is on the horizon, and there are hundreds of lab-grown diamond ring deals happening at Gilt. But you'll ...

Sally Morrison from A Diamond Is Forever showcases the latest red carpet diamond trend, Desert Diamonds, seen on stars like ...

On the announcement of Chapter 11 on the 14th of January, Diamond started a 13-week bankruptcy process run by financial firm ...

Hilton Honor's new Diamond Reserve tier adds an ultra exclusive level of recognition and benefits for the brand's most loyal ...

An international team led by researchers from the University of Cologne has solved the mystery of an extraordinary phenomenon known as the "Diamond Ring" in the star-forming region Cygnus X, a huge, ...