Product Details: This artdeco three stone halo tanzanite wedding set features in 6*8mm oval cut natural tanzanite center stone and two opal sidestone, prong halo with natural diamond.And it matches with marquise and dot curve stackable diamond band. Product Specifications: Main ring: Metal Sterling Silver, 10k/14k/18k gold, Platinum Center Stone 3A Natural Blue Tanzanite Shape Oval Weight approx 1.2carat Size 6x8mm Accent stones natural conflict free SI/H diamond & lab-created opal Set Prong, Pave Set Marquise and Round Diamond Matching band The stones are natural conflict free SI/H diamond The material is Sterling Silver, 10k/14k/18k gold, Platinum Ring size can be choose from the selection box.