18ct white gold, tanzanite and diamond necklace, comprising of a necklace modelled as a line of half round knife edge links alternating between dome-shaped connectors, the front centring a cluster of collet-set brilliant-cut diamonds flanked by similarly set diamonds supporting a pear-shaped tanzanite weighing approximately 5.50 carats, surmounted by a cluster of diamonds, the diamonds together weighing 0.70 carat, circumference approximately 435 mm.