18ct White Gold 8.44ct Tanzanite 0.78ct Diamond Oval Cluster Ring RW1258TZ The Tanzanite collection by Tivon showcases one of the world's most desired stones that is considered a thousand times rarer than the diamond. This seductive gemstone can exhibit a variety of surreal colours including blues, violets and burgundies so each piece is truly unique and beautiful. This exquisite and striking ring is a true statement piece that will distract every passer-by. It boasts a large oval 8.44ct tanzanite stone on a classic white gold band. Surrounding the stone and part of the band is a stunning arrangement of 0.78ct brilliant cut diamonds which add a touch of sparkle. This glittering dress ring would go perfectly with some of the other Tanzanite jewellery we feature on our website. 18ct White Gold, Tanzanite 8.44ct, Brilliant Cut Diamonds 0.78ct.