Ruby, Diamond, White Gold Earrings, Piranesi. Photo Heritage Auctions

The earrings feature oval-shaped rubies weighing a total of 10.34 carats, enhanced by baguette and full-cut diamonds weighing a total of 2.30 carats, set in 18k white gold, completed by posts, marked Piranesi. Gross weight 7.66 grams. Dimensions: 1-1/2 inches x 1/2 inch. Estimate: $25,000 - $30,000.
*Note: earrings are designed for pierced ears 

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