Cathedral Diamond Ring with Round Micro-Set Side Stones in 18kt White 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 6.5-7mm round center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Halo style Weight: 3.71Accent Diamond-Shape: Round Full CutAccent Diamond-Weight: 0.59