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 fork out excess for your lifetime guarantee. I bought my granddaughter an "H" necklace & a lot less than three months afterwards, the chain clasp broke. https://kinkyz794vfp8.theblogfairy.com/31155446/rumored-buzz-on-jewelry-don-roberto