Lot 2063. An important 9.43 carats Kashmir octagonal-shaped sapphire and diamond ring, by Tiffany & Co. Estimate HK$5,600,000 – HK$8,000,000 (US$700,000-1,000,000). Photo Christie's Image Ltd 2016.

Set with an octagonal-shaped sapphire, weighing approximately 9.43 carats, flanked by vari-cut diamonds, mounted in platinum, ring size 6¼. Signed Tiffany & Co. (indistinct)

Accompanied by report no. 14120080 dated 16 December 2014 from the Gübelin GemLab stating that the sapphire is of Kashmir origin, with no indications of heating 

Report no. 2145763676 dated 3 July 2012 from the GIA Gemological Institute of America stating that the sapphire is of Kashmir origin, with no indications of heating

Christie's. HONG KONG MAGNIFICENT JEWELS, 31 May 2016, Convention Hall