3-Stone Round Diamond Ring in 18kt White Gold (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: 3-stone Weight: 3.68Accent Diamond-Shape: Round Full CutAccent Diamond-Weight: 0.45