Split Shank Diamond Ring with a Cushion Style Halo in 18kt White Gold (D 3/4 carat total weight) This item is a SEMI-MOUNT and it comes with NO CENTER STONE as shown but it will accommodate a 5.5-6mm cushion cut or 5-5.5mm princess cut center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: CushionStyle: Halo style Weight: 7.51Accent Diamond-Shape: Round Full CutAccent Diamond-Weight: 0.7