Sapphire and Diamond Ring in 18kt White Gold. (D.1/2 carat weight, S 5/8 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: 3-stone Weight: 5.68Accent Diamond-Shape: Round Full CutAccent Diamond-Weight: 0.45