Sapphire and Diamond Ring in 18kt White Gold with Engraved and Milgrain Detail. (D 3/8 and S. 1/10 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 cushion cut center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: Diamond - WhiteCenter Stone Shape: CushionStyle: Vintage Weight: 3.52Accent Diamond-Shape: RoundAccent Diamond-Weight: 42802