5. "Orange" - $35.5 million
The unique stone of very rare orange weighing 14.82 carats was sold at Christie's auction in Geneva for $35.5 million in November 2013. Thus it the world record price per carat for colored diamonds was broken.
4. "The Prince" - $40 million
300-year-old 34.65-carat pink diamond Princie was sold in 2013 for $40 million at Christie's auction in New York. It is interesting that the stone is the cause of family feuds. In March 2015 the Italian millionaire Amedeo Andzhiollio sued Christie's, claiming that his favorite diamond was stolen by half-brother, who then put the stone up for auction, without having the rights for doing that. Initially, the diamond was mined in India and was transmitted from generation to generation until it was bought by Renato, Amedeo Andzhiollio’s father.
3. "Graff Pink" - $46 million
Pink diamond ring with a bright pink color weighing 24.78 carats was purchased for $46 million in 2010, by British billionaire Laurence Graff. Interestingly, Mr. Graff did not even graduated from high school and worked as a janitor before he became the world's largest dealer of diamonds and precious stones.
2. "The Wittelsbach-Graff" - $80 million
31-carat deep blue diamond was bought by Laurence Graff, founder of Graff Diamonds, in 2008 for $23.4 million. Today, after the sale of the stone in 2011 to Qatar Sheikh Hamad bin Khalifa, the cost of "Wittelsbach-Graff" has grown to an incredible $80 million. Blue diamonds are the second in the world after rarity red ones.
1. "Pink Star" - $72 million
Brilliant "Pink Star" weighing 59.6 carats was bought at Sotheby's in Geneva in 2014 for $83.02 million by Isaac Wolf, a cutter from New York. However, it appeared that Wolf was not able to pay for it, so Sotheby's again put the diamond up for sale for $72 million.