The Rarest of the Rare: Multimillion-Dollar Blue Diamonds
Pink, blue or green, these rare diamonds can fetch mega millions
Rare pink diamond smashes record - SWI
Vivid blue diamond could sell for $50 million at Christie's
The Rarest of the Rare: Multimillion-Dollar Blue Diamonds
Bidding Up a Blue Streak
Ultra-rare' pink diamond sells for $34.8 million at auction
Rare Jewels and Amazing Movie Star Accessories Up for Auction in
Top 10 Most Expensive Precious Stones
Formed 3 Billion Years Ago, This Rare 20-Carat Blue Diamond Can Be
Everything You Need to Know About Blue Diamonds
The world's most expensive blue diamond, the Oppenheimer Blue sets
Daniele Mascetti, senior jewelry specialist for Sotheby's auction
4 Multimillion-Dollar Gems From the Sotheby's Magnificent Jewels
15.1-carat De Beers Cullinan Blue diamond fetches US$57.5 million