Shirley Temple’s Blue Diamond Ring to Be Auctioned. The stunner — estimated to sell at $25 million to $35 million — was a gift from her father. By Stephanie Chan. Plus Icon.

Sotheby’s auction house says the Cartier ring holds an 8.01 carat blue stone named the Sky Blue Diamond. It will be displayed in London on Thursday through Monday before a sale in Geneva on Nov. 16.

A 7.03-carat fancy deep blue diamond mounted on a platinum ring by London high jewelry house, Moussaieff, is the top lot at Christie’s Geneva Magnificent Jewels sale. The blue rectangular-cut ...

Blue diamonds continue to take center stage on the international auction market. The latest entry is a Cartier ring with an 8.01-carat fancy vivid blue diamond under the name, “Sky Blue Diamond ...

This blue diamond ring owned by a bouncy, curly-haired child star could be yours. Sotheby’s is auctioning the 9.54-carat ring it says belonged to Shirley Temple, ...

And in May 2014, Christie's sold a 13.22-carat blue diamond ring for $24.2 million. ... The most famous blue diamond is the Hope Diamond, which is reportedly worth over $200 million.

The “Bleu Royal” diamond set upon a ring went under the hammer for $43.8 million (CHF 39,505,000) at Christie’s auction in Geneva on Tuesday, the Associated Press, CBS News and Reuters reported.

The world's largest blue diamond now has a price tag to match its rarity. The 15.10-carat diamond, called "The De Beers Cullinan Blue," sold for $57.5 million Wednesday in an auction at Sotheby's ...

An exceptionally large blue diamond sold Wednesday for 48.6 million Swiss francs ($48.5 million) — a new record price for any jewel at auction, Sotheby's said, culminating two Geneva auctions in ...

Rare "Blue Moon" diamond sells for record $48 million at auction 00:27. GENEVA -- Sotheby's says a rare blue diamond has sold for a record 48.6 million Swiss francs or $48.5 million at a Geneva ...

The child star received the 9.54-carat fancy deep blue diamond ring as a gift from her father, according to the auction house, sometime around her 12th birthday.