Emerald, Diamond, Platinum Ring. Photo Heritage Auctions

The ring features an octagonal-shaped emerald measuring 11.70 x 11.48 x 7.80 mm and weighing 6.34 carats, enhanced by baguette-cut diamonds weighing a total of approximately 1.50 carats, accented by full-cut diamonds weighing a total of approximately 1.50 carats, set in platinum. The emerald is accompanied by a GIA Laboratory report # 1152253823 dated February 28, 2013 stating Natural Beryl, Colombian Origin, Indications of Clarity Enhancement (F1). Total diamond weight is approximately 3.00 carats. Gross weight 17.85 grams. Size: 6 (sizeable) Estimate: $40,000 - $60,000.

Heritage Auctions. 2013 April 29. Jewelry Signature Auction - New York - http://jewelry.ha.com