Platinum, Emerald and Diamond Ring. Photo Sotheby's 

Centered by a sugarloaf cabochon emerald weighing approximately 10.65 carats, accented by numerous round, baguette and epaulet-shaped diamonds weighing approximately 2.05 carats, size 5½. Estimation: 75,000 - 100,000 USD 

NOTE DE CATALOGUE: Accompanied by AGL report no. CS 50603 stating the emerald is of Colombian origin, clarity enhancement: moderate, type: modern.

Sotheby's. Important Jewels, New York | 20 sept. 2012. www.sothebys.com