Platinum, Fancy Vivid Blue Diamond and Diamond “Toi et Moi” Ring, Olivier Reza. Photo courtesy of Sotheby's.

The magnificent pear-shaped Fancy Vivid Blue, Internally Flawless diamond weighing 5.35 carats matched with a pear-shaped D color, Internally Flawless diamond of 5.42 carats, design by Olivier Reza.

Sotheby's.The Extraordinary Jewelry of Alexandre Reza. New York | 01-13 Nov 2013 - www.sothebys.com