Natural Blue Sapphire Ring Sterling Silver925 with Whitegold Plated Adjustable ring.Natural Blue Sapphire Ring Sterling Silver925 with Whitegold Plated Adjustable ring. Metal: 925 Sterling Silver Stone : Natural Blue Sapphire Stone Size : 5*4 mm Adjustable ring. 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