Princess-Cut Channel Set Diamond Ring in 18kt White Gold. (D1.0 carat total weight). This item is a SEMI-MOUNT and it comes with NO CENTER STONE as shown but it will accommodate a 5.5mm princess cut center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: PrincessStyle: Classic Weight: 4.25Accent Diamond-Shape: Princess CutAccent Diamond-Weight: 1