3.0 I like Helzberg's, but I don't love that they do not guarantee their products for almost any length of time Except if you shell out more for the lifetime warranty. I bought my granddaughter an "H" necklace & fewer than three months later, the chain clasp broke. I had https://madesocials.com/story4068238/5-simple-statements-about-online-stores-for-jewelry-explained