3-Stone Trellis Diamond Engagement Ring in 18kt White Gold. (D. 1/2 carat total weight) This item is a SEMI-MOUNT and it comes with NO CENTER STONE as shown but it will accommodate a 5.5-6mm princess cut center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: PrincessStyle: Classic Weight: 4.8Accent Diamond-Shape: RoundAccent Diamond-Weight: 0.46