Lot 236. Magnificent pair of jadeite and diamond pendent earrings, Jason Koo. Estimate: HK$7,000,000 - 12,000,000 (US$900,000 - 1,540,000). Sold for HK$8,280,000. © Tiancheng International

Each suspending an oval jadeite cabochon of very fine translucency and vivid emerald green colour, surmounted by a pear-shaped and two brilliant-cut diamonds altogether weighing approximately 3.25 carats, mounted in 18 karat white gold, signed.

Accompanied by Hong Kong Jade & Stone Laboratory reports numbered KJ96607-KJ96608, dated 22 September 2017, stating that the jadeites are natural, known in the trade as 'A Jade';

GIA reports numbered 6251710409 and 6262198525, dated 19 May and 30 June 2017, stating that the 1.01 and 1.01 carat diamonds are both G colour, SI1 clarity, one with Excellent Polish;

GIA reports numbered 6212420699 and 6221953903, dated 29 December 2015 and 20 June 2016, stating that the 0.41 and 0.40 carat diamonds are both G colour, VVS2 clarity, with Excellent Cut, Polish and Symmetry.

Tiancheng International. AUTUMN AUCTION 2017 - JEWELLERY AND JADEITE