Ladies 14K white gold link tanzanite necklace with a spring ring clasp an done blue violet vivid color GIA Type 1 Clarity VS, oval tanzanite. The tanzanite weighs 1.43 carats and measures 6.5 mm x 8.5 mm x 4.1 mm deep and is four prong set. Tanzanite is enhanced by heating. The chain is 18 inches long. The necklace weighs 1.69 grams.