This PalmBeach Jewelry engagement ring is set with a brilliant 4.00-carat radiant-cut, round cubic zirconia stone. Cubic zirconia is a dazzling and affordable diamond alternative free from natural imperfections. The shank is 8.5mm wide and available in 18k gold-plated, 18k rose gold-plated or silvertone metal. We recommend ordering one size up for this style. PalmBeach Jewelry is a U.S.-based company, and our products ship quickly from our warehouse in South Florida. Founded in 1958, we've provided our valued customers with the finest selection of exquisite jewelry for over 50 years. Main Stone: 1 Round Faceted Cut Cubic Zirconia, 4.00 carats, 10 mm x 10 mm 18k Gold-Plated Measures: 19 mm wide x 12 mm long x 10 mm high; Shank Width: 8.5 mm wide Includes gift box and drawstring pouch 1 Polished finish Warranty available China Imported Product Specifications 4 Material & Care Metal, Gold plated Clean with a soft cloth.