Diamond, Platinum, White Gold Earrings, Van Cleef & Arpels. Photo Heritage Auctions

The earrings feature marquise-shaped diamonds weighing a total of 10.59 carats, enhanced by full-cut diamonds weighing a total of 3.29 carats, accented by baguette-cut diamonds weighing a total of 1.91 carats, set in platinum, completed by 18k white gold clip backs, marked Van Cleef & Arpels, reference number 11901. Gross weight 18.50 grams. Dimensions: 1 inch x 7/8 inch.  Estimate: $20,000 - $30,000.
*Note: earrings are designed for non-pierced ears

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