A Rare Natural Fancy Light Pink Diamond Ring. Photo Philips de Pury & Company

Set with a pear-shaped diamond, weighing approximately 5.07 carats, framed by tapered baguette-cut diamond shoulders, mounted in platinum and 18K rose gold, size 5 3/4. ESTIMATE $125,000 - 175,000

With report no.1122587350 dated 2 March 2011 from the Gemological Institute of America, stating that the diamond weighing 5.07 carats is Natural Fancy Light Pink-Brown, Internally Flawless clarity This diamond has been determined by GIA to be a Type IIa diamond.

Philips de Pury & Company. Jewels. 6 december 2012. http://www.phillipsdepury.com