Cushion Style Halo Ring with White and Yellow Diamonds in 18kt White and Yellow Gold. (DW 1/2 carat weight and DY 1/3 carat weight) This item is a SEMI-MOUNT and it comes with NO CENTER STONE as shown but it will accommodate a 6.5mm round center stone.Metal Type: 18kt goldMetal Color: Two-toneStone Type: Diamond - WhiteCenter Stone Shape: Style: Halo style Weight: 6.3Accent Diamond-Shape: roundAccent Diamond-Weight: 42737