Cathedral Split Shank Diamond Ring with a Round Halo in 18kt White and Rose Gold. (D 3/8 carat total weight). This item is a SEMI-MOUNT and it comes with NO CENTER STONE as shown but it will accommodate a 6.5-7.5mm round center stone.Metal Type: 18kt goldMetal Color: Two-toneStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Halo style Weight: 4.45Accent Diamond-Shape: RoundAccent Diamond-Weight: 4.45