U-Prong Diamond Ring in 18kt White Gold with Milgrain Detail and Basket Peg Head. (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 5.5mm princess cut center stone. Peg HeadMetal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: PrincessStyle: Classic Weight: 3.86Accent Diamond-Shape: Round Full CutAccent Diamond-Weight: 0.6