|The Ultimate Cut - $22.1m. The only classic emerald-cut white 100+ carat diamond of the highest color and clarity ever sold at auction.
The rough stone weighed over 200 carats and was mined by De Beers in southern Africa.
|On 15 May 2013 Christie’s auctioned the Winston Legacy in Geneva for $ 26.7m. A pear-shaped perfect diamond weighing 101.73 carats, the gemstone is not only one of the largest pear-shaped diamonds known to date, it is a D colour, Type IIA Flawless. The rough stone weighed 236 carats when it was extracted from the Jwaneng mine (DeBeers) in Botswana and required 21 months to polish.|
The Magnificent Oval Diamond - $30.8m. 118.28-carat, D-colour, flawless, type IIa oval diamond was sold in 2013.
|A flawless 163-carat diamond that has been hailed the “world’s most beautiful” sold for $33.5m at Christie's in Geneva fall 2017.|