Platinum, jadeite and diamond pendant/ Photo: Sotheby's.

The lozenge-shaped jadeite measuring approximately 31.5 by 13.3 by 2.64 mm, accented by round diamonds weighing approximately 1.25 carats. Estimation 15,000 - 20,000 USD 

Accompanied by AGL report no. CS 53502 stating that the jadeite is natural, with no indications of impregnation.

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