18ct White Gold 1.16ct Tanzanite 0.23ct Diamond Princess Cut Ring. TVN-164. The Tanzanite collection by Tivon showcases one of the world\'s most desired stones that is considered even more rare 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 strikingly elegant ring showcases a princess cut 1.16ct Tanzanite set onto a beautifully contrasting 18ct white gold band. The ring is further embellished by two dazzling princess cut diamonds totalling 0.23ct.  All articles are lovingly and securely dispatched with our elegant jewellery packaging.