10 December 2009,
New York, Rockefeller Plaza
Price Realised USD 20,000
Estimate USD 10,000 - USD 15,000
A TOURMALINE AND DIAMOND RING, BY TIFFANY & CO.
Set with a pear-shaped 'Paraiba' tourmaline, weighing approximately 6.78 carats, within a circular-cut diamond surround, to the circular-cut diamond bifurcated shoulders, mounted in platinum
Signed Tiffany & Co.
With report 95009307 dated 9 August 2007 from the AGTA Gemological Testing Center stating that this tourmaline is a natural elbaite (paraiba) tourmaline. The data obtained during the examination of this tourmaline indicates that the probable geographic origin is Brazil. This copper and manganese bearing variety of elbaite is also called paraiba tourmaline. The name "paraiba" is derived from the Brazilian locality where this gemstone was first mined, however today it may come from a number of localities
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