Cathedral Diamond Ring with a Square Halo and Micro-Set Accent Diamonds in 18kt Rose Gold (D 5/8 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 cushion cut center stoneMetal Type: 18kt goldMetal Color: RoseStone Type: Diamond - WhiteCenter Stone Shape: CushionStyle: Halo style Weight: 3.77Accent Diamond-Shape: RoundAccent Diamond-Weight: 0.59