Lot 1798. 52.80 carats Diamond necklace. Estimate 2,300,000 — 2,800,000 HKD. Lot sold 2,900,000 HKD. Photo: Sotheby's 2011.

The articulated straight-line necklace composed of fifty-nine graduated brilliant-cut diamonds together weighing approximately 52.80 carats, mounted in platinum, length approximately 390mm. 

Accompanied by GIA reports numbered 17191898 and 2135049111, dated 6 May 2008 and 2 February 2011 respectively, stating that the 3.01 and 2.14 carat diamonds are F and G colour respectively, VS1 clarity; also accompanied by GIA report numbered 2135049103, dated 2 February 2011, stating that the 1.94 carat diamond is E colour, VS2 clarity.