3.0 I like Helzberg's, but I don't like that they don't guarantee their products for almost any length of your time Except if you fork out more for that lifetime guarantee. I bought my granddaughter an "H" necklace & under three months afterwards, the chain clasp broke. I'd go through https://flenzy.store/elegant-geometric-collar-necklace-and-pearl-earring-set-for-women/