3.0 I like Helzberg's, but I do not like that they do not guarantee their products for any length of your time Except you pay added for that lifetime warranty. I bought my granddaughter an "H" necklace & fewer than three months afterwards, the chain clasp broke. I had read https://flenzy.store/geometric-hollow-water-droplet-necklace-fashion-accessory-for-women/