An imposing coloured diamond necklace, the claw-set fancy yellow-brown pear-shaped brilliant-cut diamond weighing 13.25 carats, is supported from a fine trace chain, mounted in 18ct gold, length 22 mm, circumference 450 mm, accompanied by a GIA report numbered 1172687982, dated 10 June 2016, stating that the 13.25 carat diamond is natural, fancy yellow-brown colour.