18kt White Gold Ring with Round and Princess Diamonds Surrounding the Peg Head Center. (D1/2 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.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Classic Weight: 4.3Accent Diamond-Shape: Princess, RoundAccent Diamond-Weight: 0.58