A cushion-shaped sapphire and diamond ring The cushion-shaped sapphire, weighing 8.13 carats, between fancy-cut diamond shoulders, mounted in platinum, diamonds approximately 1.60 carats total, ring size 5¾.. Estimate: HK$1,200,000 - 1,800,000, $150,000...

A cushion-shaped emerald and diamond ring The cushion-shaped emerald, weighing 12.89 carats, between fancy-cut diamond shoulders, mounted in 18k yellow gold and platinum, diamonds approximately 1.40 carats total, ring size 6¾. Estimate: HK$750,000 - 850,000,...

A pear-shaped fancy vivid yellow diamond and diamond ring The pear-shaped fancy vivid yellow diamond, weighing 3.26 carats, flanked by fancy-cut diamonds, mounted in platinum and 18k white gold, diamonds (excluding yellow) approximately 1.10 carats total,...