A Watermelon tourmaline and diamond cluster ring, 18ct white gold, made as a modern rectangular cluster ring, set with a central rectangular faceted piece of watermelon tourmaline, graduating in natural colour from deep red, to pin then through to golden green, weighing approximately 5.60ct, claw set, framed by a brilliant cut diamond surround totalling approximately 1.08ct, finished on a scooped band fitted with hinge