3-Stone Graduated Diamond Ring in 18kt Yellow Gold with Trellis Design. (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: YellowStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Classic Weight: 3.6Accent Diamond-Shape: roundAccent Diamond-Weight: 42737