Platinum, 18 Karat Rose Gold, Padparadscha Sapphire and Diamond Ring - Photo Sotheby's

Centered by an oval-shaped Padparadscha sapphire weighing 9.89 carats, framed and flanked by round and oval-shaped diamonds weighing approximately 2.00 carats, size 6¾. Estimation: 75,000 - 100,000 USD

Accompanied by GRS report no. GRS2005-091695 stating that the sapphire is Natural Padparadscha, with no indications of heating. 

Sotheby's. Important Jewels. New York | 07 févr. 2013 http://www.sothebys.com