Lavender jadeite and diamond necklace. Photo: Sotheby's

Composed of twenty-five graduated translucent lavender jadeite cabochons framed by brilliant-cut diamonds, spaced by links set with brilliant-cut diamonds, the diamonds together weighing approximately 15.85 carats, mounted in 18 karat pink gold, length approximately 650mm. Cabochons approximately 14.99 x 12.98 x 6.30mm to 12.10 x 10.29 x 6.65mm. Estimate  1,900,000 — 2,200,000 HKD