Lot 1805. 5.01 carats Diamond Ring. Estimate 950,000 — 1,600,000 HKD (121,211 - 204,144 USD). © Sotheby's.

Set with an emerald-cut diamond weighing 5.01 carats, to the shoulders decorated with princess-cut diamonds, mounted in 18 karat white gold, size 6.

Accompanied by GIA report no. 6315677787, dated 21 January 2019, stating that the diamond is F Colour, VVS1 Clarity.

Lot 1806. 5.40 carats Colombian Emerald and Diamond Ring, Monture Cartier. Estimate 2,800,000 — 3,600,000 HKD (357,252 - 459,324 USD). © Sotheby's.

Set with a step-cut emerald weighing 5.40 carats, flanked by two tapered baguette diamonds, signed Cartier MTG, numbered, size 6.

Accompanied by Gübelin and AGL reports no. 19071128, dated 25 July 2019 and no. 1094507, dated 31 July 2018 respectively, each stating that the emerald is of Colombian origin, with no indications of clarity enhancement; AGL further stating that the origin of this material would be classified as Classic™ Colombia.

Sotheby's. Magnificent Jewels and Jadeite, Hong Kong, 07 Oct 2019, 02:30 PM