12.54 carat Tanzanite Cabochon Ring

12.54 carat Tanzanite Cabochon Ring

12.54ct oval tanzanite cabochon ring set in 18K white gold; microset with 279 blue sapphires weighing 1.80cts; 28 amethyst weighing 0.16cts; 6 iolite weighing 0.20cts and 308 white diamonds weighing 1.21cts.