Octagon Shaped Halo Diamond Ring with Milgrain and Side Detail in 18kt White and Rose Gold. (D. 1/5 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: Two-toneStone Type: Diamond - WhiteCenter Stone Shape: RoundStyle: Vintage Weight: 4.4Accent Diamond-Shape: RoundAccent Diamond-Weight: 42740