Lot 1692. Pair of Sapphire and Diamond Earrings, Harry Winston. Estimate 1,500,000 — 2,500,000 HKD. Photo: Sotheby's.

Each set with an oval sapphire weighing 3.11 and 3.01 carats, within a border of oval diamonds weighing approximately 8.00 carats in total, mounted in platinum and 18 karat white gold, signed HW and numbered, case stamped Harry Winston. 

Accompanied by Gübelin report numbered 16081007/ 1 and 2 and two AGL reports numbered CS 37367 and CS 37368, dated 11 August 2016 and 14 October 2004 respectively, stating that the 3.11 and 3.01 carat sapphires are natural, of Kashmir origin, with no indications of heating. AGL further comments that the Total Quality Integration Ratings of both sapphires are Excellent.