An early 20th century sapphire and diamond ring, by Tiffany & Co., circa 1910
The central sugarloaf cabochon sapphire of approximately 2.94 carats, set between a pair of old brilliant-cut diamonds weighing approximately 1.35 carats total, signed Tiffany & Co., ring size I½
Accompanied by a certificate from the Gemological Institute of America (GIA) stating that the sapphire is natural, with no indications of heat treatment. Certificate number 2135937386, dated 18 October 2011.
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