Princess Cut Ruby and Diamond Ring in 18kt White Gold with Engraved and Milgrain Detail. (D 3/8 and R. 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 6.5mm round center stone.Metal Type: 18kt goldMetal Color: WhiteStone Type: RubyCenter Stone Shape: RoundStyle: Vintage Weight: 3.53Accent Diamond-Shape: roundAccent Diamond-Weight: 42802