Platinum, Sapphire and Diamond Ring - Photo Sotheby's

Centered by an oval-shaped sapphire weighing 7.79 carats, flanked by two half moon-shaped diamonds weighing approximately 1.60 carats, size 6¼. Estimation: 325,000 - 375,000 USD

Accompanied by two gemological reports:
AGL report no. CS 51448 stating the sapphire is of Kashmir origin, with no indication of heating.
Gübelin report no. 11037200 stating the sapphire is of Kashmir origin, with no indication of heating

Sotheby's. Magnificent Jewels. New York | 05 déc. 2012, www.sothebys.com