18ct white gold, tourmaline, ruby and diamond necklace. The fancy link chain, set to the centre with box-set brilliant-cut diamonds together weighing approximately 0.80 carats alternating with end-set square-cut rubies together weighing approximately 1.50 carats, suspending a detachable enhancer, centring a claw-set cushion-cut tourmaline weighing approximately 13.00 carats, with a brilliant and marquise-cut diamond surmount together weighing approximately 0.60 carats, completed by a box clasp, length approximately 380 mm, weight approximately 28.4 grams. Provenance: The property of a European Collector