Cathedral Split Shank Diamond Ring with Round Halo in 18kt White Gold (D. 1/4 carat total weight). This item is a SEMI-MOUNT and it comes with NO CENTER STONE as shown but it will accommodate a 4.5-5.2mm round center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Halo style Weight: 4.72Accent Diamond-Shape: Round Full CutAccent Diamond-Weight: 0.24