A tourmaline and jadeite bead necklace. Photo courtesy Bonhams.

The necklace composed of sixty rubellite tourmaline beads, interspersed with fifty-nine bright green faceted jadeite rondelles, to a cylindrical clasp, set with brilliant-cut diamonds and baguette-cut rubies,diamonds approximately 1.35 carats total, length 78.6cm. Estimate HK$ 180,000 - 220,000 (€17,000 - 21,000)

Accompanied by a Hong Kong Jade & Stone Laboratory report stating that the selected natural jadeite has no resin detected. Report number KJ 80938, dated 30 July 2013. 

Bonhams. FINE JEWELLERY & JADEITE. Hong Kong. 23 Nov 2013 14:00 CST