Christie’s has announced what is sure to be a blockbuster sale in the jewelry world: the sale of a 23.24-carat fancy Golconda blue diamond. It is the largest of its kind to ever be offered at auction ...

One of the most valuable blue diamonds to ever feature at an auction could sell for more than $48 million, according to Sotheby’s. Named “The De Beers Cullinan Blue,” it is the biggest vivid blue ...

The vast majority of polished diamonds are clear and sparkly, but some come in unexpected colors like blue, green and even pink. So why are some diamonds different colors? When you purchase through ...

“The Mediterranean Blue” is 10.3-carat fancy vivid blue diamond with a VS2 clarity grade. It's the highlight of Sotheby's High Jewelry sale in Geneva. Fancy vivid blue diamonds of more than 10 carats ...

A 3.13-carat fancy vivid blue diamond will lead Bonhams New York Jewels auction on December 8. The gem, mounted on a ring, boasts VVS1 clarity with the potential to be internally flawless. Its ...

These tinted diamonds make up just 0.01 percent of all natural diamonds mined, appearing in shades of pink, blue, yellow, green, and even red. Since 2005, pink diamonds have increased in value by ...

Update 4/25/2025: The Golconda Blue will not be sold at Christie's in May. Instead, per a spokesperson for the auction house, the owners of the gem are now pursuing a sale within their family. "The ...

A 15.1-carat fancy vivid blue diamond will be offered at a single-lot auction at Sotheby’s Hong Kong in April, with an estimate in excess of U$S48 million (HK$380 ...

An exceptionally rare blue gem became one of the most expensive diamonds sold by Christie’s when it went under the hammer in Geneva on Tuesday. An unidentified buyer paid CHF 39,505 million (US$43.8 ...

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