10. "Archduke Joseph" - $21.5 million
76-carat colorless diamond cut "rectangular cushion" was sold for 21.5 million dollars at the Geneva auction of jewels Christie's in November 2012. Initially, the diamond was found in the diamond mines of Golconda in India. The previous owner of the "Archduke Joseph" for 13 years was Alfredo Molina, CEO of jewelry company Black, Starr & Frost jewelers.
9. "Ideal" - $22 million
"This diamond is perfect in every sense of the word," - said Lisa Hubbard, chairman of the jewelry department at Sotheby's in North and South America. Stone cut "Emerald" was sold in April for $22 million. "Ideal" was found at the famous De Beers mines in South Africa.
8. "Perfect Pink" - $23 million
Brilliant, called "Perfect Pink", weighing 14.23 carats was sold in 2010 at an auction in Hong Kong for $23,166 million. Auctioneers expect that the price of the diamond will be from 14 to 19 million dollars, but the buyers were very interested in it an extremely rare pink.
7. "Winston Blue" - $23.8 million
The world's largest bright blue diamond, which belonged to Harry Winston, division of Swatch Group, was sold at Geneva auction Christie's in May 2014 for $23.8 million.
6. 118-carat egg - $30.6 million