1.76ct Cushion Blue Tanzanite With 0.51ctw Round White Diamond 14kYellow Gold Ring. Measures approximately 0.82"L x 0.47"W.0.08" shank. Cruise Ship Collection.Feast your eyes on something fabulous! This tanzanite ring is everything that the finest jewelry treasures should be. It begins with a superb, 1.76ct tanzanite solitaire in an opulent, cushion cut. Certainly, that stone is the star of this show ... and what a star she is. But this ring is more than a single, albeit spectacular, stone. The tanzanite is surrounded by full-cut, mined white diamonds that are nothing short of dazzlers. The finishing touch? How about a finely made, rich, warm, setting of 14kt yellow gold? Perfect! This ring exceeds our expectations ... we believe it will exceed yours. It is absolutely brilliant.