Cathedral Style Diamond Ring in 18kt White with a Peg Head Center. (D 3/4 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: 5.03Accent Diamond-Shape: Princess CutAccent Diamond-Weight: 42798