Pink sapphire and diamond ring. Photo Sotheby's

Centring on a cushion-shaped pink sapphire weighing 20.41 carats, flanked on each side by a cushion-shaped diamond together weighing 4.03 carats, mounted in 18 karat pink gold. Ring size: 5¾. Estimate 2,000,000 — 2,500,000 HKD - Lot Sold. 2,440,000 HKD 

Accompanied by Gübelin and GIA reports numbered 13080241 and 1152793517, dated 27 August and 6 December 2013, stating that the pink sapphire is natural, of Sri Lankan origin, with no indications of heating. Also accompanied by two GIA reports numbered 2145794358 and 2155662892, dated 29 June 2012 and 16 September 2013, stating that the 2.02 and 2.01 carat diamonds are E and F colour, VS1 and VVS2.

Sotheby's. Magnificent Jewels and Jadeite, Hong Kong | 07 Apr 2014 -www.sothebys.com