Antique Gold, Platinum, Natural Pearl and Diamond Ring, Tiffany & Co. Photo Doyle New York

Centering one modified oval pearl approximately 9.00 x 7.57 mm., vertically flanked by 2 old-mine cut pear-shaped diamonds approximately 5.91 cts., signed Tiffany & Co., circa 1905. Size 4. Estimate $15,000-20,000

With GIA report no. 5151283697 stating that the pearl is natural, saltwater, no indications of treatment. 

These diamonds have been weighed. 

Estate of Consuelo Vanderbilt Earl

Doyle New York. Important Jewelry. Monday, April 15, 2013 http://www.doylenewyork.com