Platinum, jade and diamond ring. Photo: Sotheby's.

Centering a jade double cabochon measuring approximately 19.2 by 14.0 by 7.6 mm, flanked by two trapezoid and two bullet-shaped diamonds weighing approximately .90 carat, size 6. Estimation 15,000 - 20,000 USD 

Accompanied by GIA report no. 2155573662 stating that the jadeite jade is of natural color, with no indications of impregnation.

Sotheby's. Important Jewels. New York | 24 sept. 2013 - http://www.sothebys.com