![A Bonhams employee poses with the Bulgari crossover ring set with 3.72 carat fancy vivid blue diamond and 3.93 carat diamond at Bonhams auction house in London September 21, 2011. The piece, A Bonhams employee poses with the Bulgari crossover ring set with 3.72 carat fancy vivid blue diamond and 3.93 carat diamond at Bonhams auction house in London September 21, 2011. The piece,](https://c8.alamy.com/zooms/9/a498eea380f84b4a82fdd3bfc355078d/2cy7h3e.jpg)
A Bonhams employee poses with the Bulgari crossover ring set with 3.72 carat fancy vivid blue diamond and 3.93 carat diamond at Bonhams auction house in London September 21, 2011. The piece,
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Rare blue diamond Bulgari ring fetches £1.9m after appearing at auction for the first time | Daily Mail Online
![GIA on Twitter: "#FunFact: Only one in 10,000 carats of diamonds displays a fancy color, making them among the most rare and costly of all gems. The “BVLGARI Blue” ring featuring a GIA on Twitter: "#FunFact: Only one in 10,000 carats of diamonds displays a fancy color, making them among the most rare and costly of all gems. The “BVLGARI Blue” ring featuring a](https://pbs.twimg.com/media/DP-eZgWVwAAOWE7.jpg)
GIA on Twitter: "#FunFact: Only one in 10,000 carats of diamonds displays a fancy color, making them among the most rare and costly of all gems. The “BVLGARI Blue” ring featuring a
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frenchbluediamond 8.08-carat Fancy Vivid Blue Diamond Ring by Bulgari • Christie's Auction House • Price… | Blue diamond ring, Blue diamond, Christies auction house
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Christie's New York Auction Sells Great Bulgari Vivid Blue Diamond - Diamond Investment & Intelligence Center
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