18kt White Gold Channel Set Baguette Diamond Ring 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 6.5mm round center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Classic Weight: 4.5Accent Diamond-Shape: BaguetteAccent Diamond-Weight: 0.8