Cushion Halo Diamond Ring with Milgrain Detail in 18kt Yellow Gold (D 1/3 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. This Ring requires a Curved Matching Band, #117221-WY, sold separately.Metal Type: 18kt goldMetal Color: YellowStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Halo style Weight: 3.95Accent Diamond-Shape: RoundAccent Diamond-Weight: 0.32