Metal stamp: 14kClosure: Internally threaded screwGemstone - Reconstituted TurquoiseFinish: PolishedSafety: hypoallergenic - nickel-free - Cadmium free - Non-tarnishUnconditional 45 day money back guarantee and 2 year free repair warrantyMETAL PURITY: All of our jewelry for women and men are maunfactured with authentic metals and are tested to pass FTC regulations on jewelry. They are solid stamped 14k yellow/white gold, 10k yellow/white gold or stamped 925 sterling silver.GIFT PACKAGING: Each item is hand-wrapped in a beautiful jewelry gift box. Perfect for mom, gramdma, daughter, sister or nana for her anniversary, birthday, Christmas, Valentine's day, wedding, bat mitzvah or quiceanera gifts