3.0 I like Helzberg's, but I do not like that they do not guarantee their products for almost any length of time Until you shell out more for your lifetime warranty. I bought my granddaughter an "H" necklace & less than 3 months afterwards, the chain clasp broke. I'd read https://mysocialquiz.com/story4095182/detailed-notes-on-silver-necklaces-womens