Lot 9141. Oval Jadeite Double Cabochon and Diamond Ring. Estimate 1,300,000 — 1,800,000 HKD. Photo: Sotheby's

Set with an oval jadeite double cabochon of bright green colour and very good translucency, to the circular-cut diamond surround, gallery and bifurcated shoulders, mounted in 18 karat white gold. Ring size: 5¾. Cabochon approximately 17.68 x 14.17 x 9.95mm.

Accompanied by Hong Kong Jade & Stone Laboratory certificate numbered KJ 96008, dated 11 July 2017, stating that the jadeite is natural, known in the trade as "A Jade".

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