A tanzanite, sapphire and diamond cocktail ring mounted in 18 carat white gold featuring an oval cabochon cut tanzanite of 16.42cts, four claw set, centering 76 blue marquise cut sapphires of 9.34cts TCW and 70 round brilliant cut diamonds, bead set, of 1.76cts TCW, colour G-H and clarity SI-1.