18K White Gold Tanzanite Diamond Ring, featuring one prong set cushion brilliant tanzanite weighing approx. 18.00 carats, further adorned with 58 pave set round brilliant cut diamonds weighing a total of approx. 2.80 carats, marked: "18K". Measuring approx. US size 6 1/2, 3/4" across the widest point, 12.9 dwt. Provenance: From a Central Park West Collection. Keywords: Fine Jewelry, Fashion, Accessories, Colored Stones, Gemstones