Lot 9209. 13.50 carats Burmese Cushion-shaped Sapphire and Diamond Ring, Cartier. Estimate 1,500,000 — 2,000,000 HKD. Lot Sold 2,000,000 HKD. Photo: Sotheby's

Set with a cushion-shaped sapphire weighing approximately 13.50 carats, embellished with circular-cut diamond prongs, to the trapeze-shaped and baguette diamond shoulders and gallery, the diamonds weighing approximately 4.20 carats in total, mounted in platinum, signed Cartier, numbered, with French assay and maker's marks. Ring size: 6¼

Accompanied by Gübelin report numbered 17071012, dated 10 July 2017, stating that the sapphire is natural, of Burmese (Myanmar) origin, with no indications of heating

Sotheby's. Important Jewels and Jadeite, Hong Kong, 12 Oct 2017, 02:00 PM