Lot 1901. Fine 8.36 carats Colombian Emerald and Diamond Ring. Estimate 3,200,000 — 3,800,000 HKD. Lot sold 6,040,000 HKD (778,798 USD). Photo Sotheby’s 2014.

Centring on a cushion-shaped emerald weighing 8.36 carats, flanked by two half-moon shaped diamonds weighing 0.64 and 0.56 carat respectively, mounted in platinum. Ring size: 6¼

Accompanied by AGL, Gübelin and SSEF reports numbered CS 49706, 13097411 and 66182, dated 18 March 2013, 19 September 2013 and 11 December 2012, stating that the 8.36 carat emerald is natural, of Colombian origin, with no clarity enhancement. Also accompanied by two GIA reports numbered 2131603368 and 1136622381, dated 7 September 2011, stating that the 0.64 and 0.56 carat diamonds are D and E colour, VVS2 and VS1.