18ct gold, yellow sapphire and diamond pendant necklace, of cluster design centring a claw-set oval step-cut yellow sapphire weighing 28.26 carats, framed by a line of brilliant-cut diamonds further bordered by an openwork scalloped surround pave-set with diamonds, supported from a gallery similarly set with diamonds, completed by a box chain between a diamond-set surmount, the diamonds together weighing approximately 3.77 carats, pendant length approximately 45 mm, circumference approximately 500 mm, length adjustable., accompanied by a GIA report numbered 6182459588, dated 23 October 2014, stating that the 28.26 carat yellow sapphire is natural, with no indications of heating, of Sri Lanka origin.