Round Black and White Diamond Halo Ring in 18kt White Gold. (Blk D. 1/5 carat weight and Wht D.1/4 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: WhiteStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Halo style Weight: 6.3Accent Diamond-Shape: RoundAccent Diamond-Weight: .47 total (wht. 27cw, blk. 20cw)