Product Weight: 1.650 Gram Approx Gemstone: White Topaz and Ethiopian Opal Gemstone Shape Size: Round, 1.25 and 4.00 mm Gemstone Color: White, Multicolor Product Setting: Prong And Pave Setting Metal: 925 Sterling Silver Metal Stamp: 925 This gemstones ring is dainty, pretty, and perfect for any occasion or gifts This is a delightful piece to wear, comfortable and easy to wear, large enough to be noticed but not overpowering. This product is stamped with a "925" marking, sterling silver.