RIVER OVAL CUT BLUE DIAMOND ENGAGEMENT RING in PLATINUM BY MIKE NEKTA GIA CERTIFIED Center Diamond: Carat Weight: 5.38 Carats Color : Fancy Vivid Greenish Blue* FVGB Color Origin: Treated Color Distribution: Even Clarity: VS2 Style: OVAL BRILLIANT Measurements: 14.51 x 10.34 x 5.64 mm Ring: Metal: Platinum Style: Three Stone Half Moon Metal Weight: Diamonds: F Color, VS, 1.83 CT Size: Can be adjusted to any size. Now available 2 variants: Traditional Earth Mined Diamonds or New Eco Friendly Lab Grown. If you want to see more of our big diamond jewelry collection, here is the link: https://www.nektanewyork.com/collections/big-diamond-jewelry