Halo Diamond Ring in 18kt Yellow Gold with Milgrain Detail. (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 requires a Matching Straight Band, #117524-WY, sold separately.Metal Type: 18kt goldMetal Color: YellowStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Halo style Weight: 4.8Accent Diamond-Shape: RoundAccent Diamond-Weight: 0.32