Fancy intense yellow diamond and diamond ring. Photo Tiancheng International

Centring on a cut-cornered rectangular modified brilliant-cut Fancy Intense Yellow diamond weighing 9.49 carats, within a border of brilliant-cut yellow diamonds, to an outer surround of briolette diamonds, to the shoulders set with brilliant-cut diamond, mounted in 18 karat white and yellow gold. Ring size: 7. Estimate: HK$2,000,000 - 3,000,000 (US$260,000 - 385,000). Sold for HK$2,360,000 

Pair of fancy intense yellow diamond, yellow diamond and diamond pendent earrings. Photo Tiancheng International

Each suspending a cushion-shaped Fancy Intense Yellow diamond weighing 7.06 and 7.05 carats respectively, surmounted by a circular motif pavé-set with brilliant-cut diamonds, highlighted by a brilliant-cut yellow diamond, to a similar-set hook, the diamonds altogether weighing approximately 2.00 carats, mounted in 18 karat white and yellow gold. Estimate: HK$2,500,000 - 3,500,000 (US$320,000 - 450,000). Sold for HK$2,832,000 

Accompanied by GIA reports numbered 2155729580 and 1152764257, dated 18 October and 11 November 2013, stating that the 7.06 and 7.05 carat diamonds are natural, Fancy Intense Yellow colour, VS1 and VVS1 clarity respectively.