Sterling Silver Rhodium-plated Peridot and Light Swiss Blue Topaz Turtle Starfish 18.75 inch Necklace" Product Details Material; Primary Purity 925 Finish Polished Stone Type Swiss Blue Topaz Stone Type_2 Peridot Stone Color Blue Stone Color_2 Green Stone Quantity 1 Stone Quantity_2 7 Length of Item 18. 75 in Stone Setting 4 Prong Stone Setting_2 Shared Prong Stone Weight 0. 32 ct Stone Weight_2 0. 22 ct Chain Length 18. 75 in Chain Type Link, Other Chain Width 1. 3 mm Charm Element Length 15 mm Charm Element Width 22 mm Clasp Connector Lobster Clasp