Split V Shank Halo Diamond Ring in 18kt White and Rose Gold. (D1/2 carat total weight) This item is a SEMI-MOUNT and it comes with NO CENTER STONE as shown but it will accommodate a 7.4mm round center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Halo style Weight: 6.24Accent Diamond-Shape: roundAccent Diamond-Weight: 42737