Micro-Set Round Diamond Ring in 18kt Yellow Gold with a Peg Head Center. (D. 3//8 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: YellowStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Classic Weight: 4.78Accent Diamond-Shape: roundAccent Diamond-Weight: 42802