A TOURMALINE AND DIAMOND RING, BY TIFFANY & CO.

A TOURMALINE AND DIAMOND RING, BY TIFFANY & CO. Set with a cushion-cut Paraiba tourmaline, weighing approximately 9.70 carats, to the circular-cut diamond surround and bifurcated shoulders, ring size 6, mounted in platinum, in a Tiffany & Co. black case and blue outer box Signed Tiffany & Co. <i>Accompanied by report no. CS 1081954 dated 7 March 2017 from the American Gemological Laboratories stating that the variety of this tourmaline is Paraiba. It is the opinion of the Laboratory that the origin of this tourmaline would be classified as Classic Brazil. This color variety of tourmaline is commonly the result of a relatively low temperature heating process. Clarity enhancement: None</i>