18ct white gold, tourmaline and diamond pendant necklace, of cluster design centring a claw-set oval rubelite tourmaline weighing 28.04 carats framed by a stylised foliate surround pave-set with diamonds, supported from a box chain between a diamond-set surmount, the diamonds together weighing approximately 0.53 carat, pendant length approximately 42 mm, circumference approximately 450 mm, length adjustable.