Lot 1706. Impressive 47.60 carats Burmese Sapphire and Diamond Ring. Estimate 7,800,000 — 12,000,000 HKD. Photo: Sotheby's.

Set with an oval sapphire weighing 47.60 carats, decorated with trilliant- and circular-cut diamonds weighing approximately 6.00 carats in total, mounted in 18 karat white gold. Ring size: 6¼ 

Accompanied by GRS, Gübelin and SSEF reports numbered GRS2013-098511 (Award No 973), 13070151 and 69386, dated 15 September 2013, 29 July 2013 and 21 August 2013 respectively, stating that the 47.60 carat sapphire is natural, of Burmese (Myanmar) origin, with no indications of heating. 

Sotheby's. Magnificent Jewels & Jadeite, Hong Kong, 04 Oct 2016, 02:00 PM