18ct White Gold 1.66ct Tanzanite 0.51 Carat Diamond Cluster Ring. J03514M. This strikingly elegant 18ct white gold ring showcases a cushion cut Tanzanite totalling 1.66 carats, discovered in the Mererani Hills of Northern Tanzania. The beautiful gemstone is framed with a 0.51 carat halo of brilliant cut diamonds. The breathtaking ring is an embodiment of elegance and luxury with Tanzanite being one of the world\'s most desired stones. This seductive gemstone can exhibit a variety of surreal colours including blues, violets and burgundies so each piece is truly unique and beautiful. At C W Sellors, we have an expert team of gemstone and diamond specialists who handpick and grade each jewel to meet our high standards and a team of talented in house designers who combine their talents to bring you our exclusive Precious Gemstone collection. You can find other Tanzanite pieces online and in store to complement this ring. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging.