18kt White Gold Diamond Ring with Milgrain Detail and Graduated Diamonds on the Shank. (D 1/2 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. Peg HeadMetal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Classic Weight: 3.82Accent Diamond-Shape: Round Full CutAccent Diamond-Weight: 0.55