18kt White Gold Diamond Trellis Ring with Milgrain Detail. (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 5.5mm princess cut center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: PrincessStyle: Classic Weight: 3.65Accent Diamond-Shape: Round Full CutAccent Diamond-Weight: 0.38