Rare 20-carat blue diamond unveiled in Botswana - ABC News
Blue diamond sells at Christie's for $57.5 million
A rare blue diamond sells for record $48.5 million at auction - Los Angeles Times
The 15-Carat 'De Beers Blue' Diamond Fetches $57.4 Million
Blue Diamond Garden & Living Centres | UK, Guernsey, Jersey
Blue Diamonds Buying Guide | Diamond Buzz
Rare Blue Diamond Could Fetch $48 M. at Sotheby's Auction – ARTnews.com
Rare Blue Diamond Could Sell for Over $30 Million at Auction | Time
The Okavango Blue Diamond Lands At The American Museum of Natural History - Only Natural Diamonds
What do blue diamonds reveal about our planet? - BBC Reel
The origin of blue diamonds
Sotheby's To Offer 8 Blue Diamonds From De Beers Valued At $70 Million
Blue Diamond | Steven Universe Wiki | Fandom
The rare blue gem that holds the Earth's secrets - BBC REEL - YouTube
What are Blue Diamonds? FAQ | Leibish
Blue diamond - Wikipedia
Emerald-Cut Fancy Blue Diamond 3-Stone Engagement Ring
