Micro-Set 18kt Yellow Gold Diamond Ring with Oval Style Halo. (D. 3/4 carat total weight) This item is a SEMI-MOUNT and it comes with NO CENTER STONE as shown but it will accommodate a 7x5mm oval center stone.Metal Type: 18kt goldMetal Color: YellowStone Type: Diamond - WhiteCenter Stone Shape: OvalStyle: Halo style Weight: 4.3Accent Diamond-Shape: roundAccent Diamond-Weight: 42798