18kt White Gold Romance Bridal Ring with Round and Baguette Diamonds. (D 5/8 carat total weight) This item is a SEMI-MOUNT and it comes with NO CENTER STONE as shown but it will accommodate a 7.5mm round center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Classic Weight: 5.5Accent Diamond-Shape: Round, BaguetteAccent Diamond-Weight: 0.6