Lady's Fourteen-Karat White Gold, Diamond and Tanzanite Ring, the ring with a prong-set oval brilliant-cut natural tanzanite with an approximate weight of 5.37 carats and measuring 12.00mm x 9.70mm, within a diamond bezel and supported by tanzanite and diamond ribbons, total diamond weight approximately 1.84 carats, total tanzanite weight approximately 5.87 carats, size 7-1/2.