Platinum Tanzanite Diamond Ring, featuring one prong set centered cushion brilliant tanzanite weighing approx. 3.15 carats, further adorned with 26 round brilliant cut and baguette cut diamonds weighing a total of 0.59 carat, marked: "Pt900 D 0.59". Measuring approx. US Size 5, 3.5 dwt. Provenance: From a New York City Collection. Keywords: Jewelry, Fashion, Gemstones, Accessories