Finish - Polished Stone Type_1 - Swiss Blue Topaz Stone Color_1 - Blue Stone Quantity_1 - 9 Stone Setting_1 - Bezel Set Stone Weight_1 - 2.79 ctw (total weight) Chain Length - 18 in Chain Width - 5 mm Clasp /Connector - Spring Ring Extender Length - 2 in Feature - Solid Manufacturing Process - Machine Made Completeness - Complete (all stones included) Stone Shape_1 - Round Stone Size_1 - 4 mm Stone Treatment_1 - Irradiation Item Necklace Type - Gemstone Pendant/Charm Type - Gemstone Number of Elements - 1 Manufacturing Process 2 - Die Struck Metal Weight - 2.07 gram