Gems : Japan Kyocera Lab Created Opal, the finest lab opal made in the world. Lab created Tanzanite. Metal : 925 Solid Sterling Silver, rhodium plated to ensure durability. Pendant: 7/8" x 1/2" The tear drop CZ Tanzanite size : 12mm x 10mm Condition : Brand New and stamp with 925! Matched earring is available in store !