3.50 carat total weight. Platinum over 925 Sterling Silver. All precious metal, no base metals. All stones are laser engraved with “Swarovski Zirconia”, which can be seen with a jewelers loupe (I have seen them with my loupe😊). No one will know these aren't diamonds...unless you tell them! The brilliance is amazing!! Includes velvet Gift Bag. SETTING IS NOT STORE BRANDED WITH SWAN.