Icy jadeite, Black diamond and Diamond Necklace. Photo Sotheby's

Composed of forty-nine graduated icy jadeite beads of apple green colour and good translucency, spaced by faceted black diamonds together weighing approximately 17.54 carats, completed by a stylised clasp set with brilliant-cut diamonds and black diamonds, highlighted by a square-shaped ruby, mounted in 18 karat white and blackened gold, length approximately 705mm. Icy jadeite beads approximately 8.50 to 13.20mm. Estimate 280,000 — 380,000 HKD - Lot Sold. 980,000 HKD

Accompanied by Hong Kong Jade & Stone Laboratory certificate numbered KJ63505, dated 25 July 2011, stating that the jadeite is natural, known in the trade as "A Jade".

Sotheby's. Magnificent Jewels and Jadeite. Hong Kong | 05 Oct 2011 -www.sothebys.com