Light pink diamond and diamond ring, Cartier. Photo: Sotheby's.

Centring on an emerald-cut light pink diamond weighing 13.19 carats, flanked on each side by a tapered baguette diamond, mounted in platinum, signed and numbered 6163. Ring size: 4¼. Estimation 4,700,000 — 6,300,000 HKD (454,661 - 609,439 EUR) 

PROPERTY FROM THE ESTATE OF JI ING SOONG

Accompanied by GIA report numbered 1152381740, dated 11 April 2013, stating that the 13.19 carat diamond is natural, Light Pink colour, VS1 clarity; also accompanied by diamond type classification report stating that the diamonds are determined to be a Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency.

Sotheby's. Magnificent Jewels and Jadeite. Hong Kong | 07 oct. 2013 - http://www.sothebys.com