Product Details: Vintage Round Cut Opal Engagement Ring, 1.2CT White Fire Opal Wedding Ring, Diamond Wedding Band Milgrain Band In Rose Gold, October Birthstone Birthday Gift, Diamond Halo Ring. Product Specifications: Vintage Round Cut Opal Engagement Ring: Metal Sterling Silver, 10k/14k/18k gold, Platinum Center Stone Natural Opal Shape Round Weight approx 1.2 carat Size 7 mm Accent stones Diamond Set Prong,Pave Set