Natural Blue Sapphire And Ruby Pendant with Necklace Sterling Silver925.Natural Blue Sapphire And Ruby Pendant with Necklace Sterling Silver925. Metal: 925 Sterling Silver Stone : Natural Ruby Size : 3 mm Stone : Natural Blue Sapphire Size : 8 mm We use top quality materials. Our metals are water safe After getting your jewelry in contact with the water, please clean it and make sure to D R Y it well afterward and store it in a dry place (avoid humidity). You need to keep your jewelry away from chemical products such as