A magnificent jadeite and diamond pendent necklace, by Chow Tai Fook. Photo Christie's Image Ltd 2014

Suspending a thick high domed oval jadeite cabochon of even rich lavender colour and very good translucency, within a brilliant-cut diamond surround, to the pear-shaped diamond surmount, joined to a brown silver cord, mounted in 18k white and rose gold, cabochon approximately 37.1 x 28.2 x 14.1 mm, 78.0 cm long. With maker's mark for Chow Tai Fook Estimate HK$2,800,000 – HK$3,800,000 ($362,991 - $492,630)

Accompanied by report no. KJ85035 dated 3 April 2014 from Hong Kong Jade & Stone Laboratory stating that the cabochon is natural jadeite and no polymer is detected.

Christie's. HONG KONG MAGNIFICENT JEWELS, 27 May 2014. Convention Hall - http://www.christies.com/