World's largest blue diamond to come to auction has sold for $57.5 million
Most Expensive Diamond: Sotheby's Auctions Perfect Diamond
This is the most expensive diamond sold at an online auction
Most expensive diamond ever sold
Pink Star diamond sells for world record $83 million at auction
Top 20 Most Expensive Diamonds in the World - EDJ
Pink diamond auctioned at $57.73 million, most ever per carat
Blue Moon diamond sold for $48 million 'bought for billionaire's seven-year-old daughter', The Independent
The Rock,' largest white diamond ever auctioned, sells for $21.9M
37m price tag on most valuable diamond ever to be offered at auction, The Independent