Lot 2085. A magnificent antique diamond rivière. Estimate: HK$16,000,000 - HKD 20,000,000 ($2,000,000-3,200,000). Price realised 18,040,000. © Christie’s Images Ltd 2014.

Set with thirty-two graduated old european-cut diamonds, the seven central diamonds weighing (from left to right) 10.03, 10.93, 19.19, 24.38, 17.52, 12.28 and 9.90 carats, to the circular rose-cut diamond clasp, mounted in gold, late 19th century, 35.5 cm long

Christie’s. Hong Kong Magnificent Jewels, 25 November 2014, Hong Kong, HKCEC Grand Hall