Ladies' 18k yellow gold tanzanite ring, with one violet blue vivid color, GIA Type I Clarity VS, portuguese round tanzanite cut by Steve Moriarty. The tanzanite weighs 1.74 carats, measures 6.4 mm wide by 6.4 mm long by 5.8 mm deep, and is set in a 18k yellow gold prong set. In addition, there are sixteen prong set round brilliant cut diamonds, G color, VS clarity, with a total approximate weight of .64 carat. The ring also has four prong set marquise brilliant cut diamonds, G color, VS clarity, with a total weight of approximately .50 carat. The accent stones weigh a total of approximately 1.14 carats The ring weighs 7.90 grams. Mounting is pre-owned. Stone is new and was added to this fine estate mounting. Our register #4tz1447.