18kt White Gold Ring with 4 Prong Peg Head, Milgrain Detail and Filigree Design. (D. 3/8 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: 4.69Accent Diamond-Shape: Round Full CutAccent Diamond-Weight: 0.39