S925 Sterling Silver Necklace With Natural Oval Blue Sapphire Gemstone Pendant For Women Genuine S925 Sterling Silver Natural Blue Sapphire Includes one0.31*0.39 inch oval-cut natural blue sapphire and 0.71*0.51 inch pendant S925 Sterling Silver Stamp Gemstones may have been treated to improve their appearance or durability and may require special care. The natural properties and composition of mined gemstones define the unique beauty of each piece. The image may show slight differences to the actual stone in color and texture