Three.0 I like Helzberg's, but I don't like that they don't warranty their products for virtually any length of time Unless of course you pay extra with the lifetime guarantee. I bought my granddaughter an "H" necklace & lower than three months later, the chain clasp broke. I had read https://leer677nes0.bloggadores.com/31182717/the-best-side-of-best-store-jewelry