|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.
The Magnificent Oval Diamond - $30.8m. 118.28-carat, D-colour, flawless, type IIa oval diamond was sold in 2013.