Round Halo Diamond Ring in 18kt White Gold with Milgrain. (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 6.5mm round center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Halo style Weight: 3.54Accent Diamond-Shape: Round Full CutAccent Diamond-Weight: 0.25