This colossal tanzanite has exquisite color and an unusual partial diamond halo setting. With an elongated cushion cut, the tanzanite is held firmly in place with ten prongs. The partial diamond halo gives this cocktail ring an unusual and modern look. The tanzanite weighs 15.10 carats and the diamonds are H-I color and VS clarity. Their estimated weight is 0.60 total carat weight.
