STUNNING 18K 10.09 CTW TANZANITE & DIAMOND NECKLACE: 17.5'' necklace features an elaborate 3.62 CT tanzanite & diamond pendant supported by a flexible diamond ribbon transitioning into 18K white gold links. 601 prong set diamonds approx 7.37 CTW. Total weight is approx 36.87 grams. Marked Orianne. Sold with current Florida Diamond Appraisers GIA graduates appraisal for $17,650. Est. $10000/18000**