Contemporary, Hexagon, Tanzanite and Diamond Ring, Top Quality 2.70 TCW, 18 KT Center oval shaped Tanzanite measuring 8.40 x 7 mm with a weight of 1.90 carat. Hexagon style setting of halo diamond bezel accents round and princess cut diamonds The weight of the diamonds is .35 carat (64 diamonds, 1 mm each) and two larger baguette diamonds weighing .10 points. Total weight of diamonds is .45 carat. Total weight of all gemstones are 2.70 carat Setting is a wide 12.60 mm at the halo and make of 18 karat white gold and is a sturdy setting. The center round bluish green spinel is 6.20 mm measuring .94 carat. Ring size is 6- 1/2 GIA Gemologist inspected and evaluated & comes with appraisal for Insurance.