A Fine 4.37 carats Kashmir Sapphire and Diamond Ring. Estimate 67,500 – 82,500 USD (63,000 – 77,000 EUR). © 1996-2015 Dupuis Fine Jewellery Auctioneers

Set with a cushion-shaped sapphire weighing 4.37 carats, flanked by a pair of trilliant-cut diamonds, mounted in platinum

With report 2165080219 dated 27 May 2014 from the Gemological Institute of America stating natural sapphire, geographic origin Kashmir, no indication of heating.

With report 12110169 dated 24 April 2014 from the Gubelin Gem Lab stating that gemmological testing revealed characteristics consistent with those of sapphires originating from Kashmir. No indications of heating. Sapphires which have not been heated are scarce.

Dupuis Fine Jewellery Auctioneers. Fall 2015. NOVEMBER 22, 2015, WINDSOR ARMS HOTEL, 18 St. Thomas Street, Toronto