record price for blue diamond Rare blue diamond Bulgari ring sold to A SENSATIONAL COLORED DIAMOND RING Expanded Colored Diamond Grading System Bulgari - A Sapphire and Diamond Ring Serpenti Ring 355333 | BVLGARIRare Bvlgari Blue Diamond Ring is up Rare blue diamond Bulgari ring Most Expensive Engagement Ring in the Serpenti Ring 353530 | BVLGARI5.3 Carats Deep Blue Diamond Sold for Astrale Ring 338227 | BVLGARIJewelry Watches | - Part 2Le Magnifiche Creazioni Necklace 262512 Bulgari Fancy Vivid Blue Diamond The holy grail of diamonds | Christie'sBulgari - A Sapphire and Diamond Ring
the bulgari blue diamond ring