![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
![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,
![The Bulgari Trombino deep-blue diamond ring (Bonhams April 2013) | Beaux bijoux, Bijou joaillerie, Bijoux modernes The Bulgari Trombino deep-blue diamond ring (Bonhams April 2013) | Beaux bijoux, Bijou joaillerie, Bijoux modernes](https://i.pinimg.com/originals/5a/11/47/5a1147ded91b1049d8250cfee776c115.jpg)
The Bulgari Trombino deep-blue diamond ring (Bonhams April 2013) | Beaux bijoux, Bijou joaillerie, Bijoux modernes
![Bulgari Blue and Pink Sapphire Diamond Gold Ring at 1stDibs | pink sapphire bulgari, bulgari sapphire ring Bulgari Blue and Pink Sapphire Diamond Gold Ring at 1stDibs | pink sapphire bulgari, bulgari sapphire ring](https://a.1stdibscdn.com/archivesE/upload/1701400/j_2560041472499088081/256004_l_master.jpg?width=768)
Bulgari Blue and Pink Sapphire Diamond Gold Ring at 1stDibs | pink sapphire bulgari, bulgari sapphire ring
![White gold Serpenti Ring Blue,Green with 1.03 ct Emeralds,Sapphires,Diamonds | Bulgari Official Store White gold Serpenti Ring Blue,Green with 1.03 ct Emeralds,Sapphires,Diamonds | Bulgari Official Store](https://media2.bulgari.com/f_auto,q_auto,c_pad,h_520,w_520/production/dwd67d7d85/images/images/worn/1343262.png)
White gold Serpenti Ring Blue,Green with 1.03 ct Emeralds,Sapphires,Diamonds | Bulgari Official Store
FP Vargas Investments LLC - Blue diamonds are the most elusive gemstones in the world. As a rare Bulgari 8.08-carat Fancy Vivid Blue Diamond ring is offered at auction at Christie's New
![Rare blue diamond Bulgari ring fetches £1.9m after appearing at auction for the first time | Daily Mail Online Rare blue diamond Bulgari ring fetches £1.9m after appearing at auction for the first time | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2011/09/21/article-2040065-0E003CE700000578-53_468x428.jpg)