Contemporary, Platinum, Bluish Spinel and Princess Diamond Ring, 1.30 TCWThe (4) princess cut diamonds measure 2.3 mm with estimated weight of .40 carats. Setting is a wide 4.70 mm setting made of platinum and is a sturdy setting. The center round bluish green spinel is 6.20 mm measuring .94 carat. Ring size is 5- 3/4 GIA Gemologist inspected and evaluated & comes with appraisal for Insurance.