3.0 I like Helzberg's, but I do not like that they don't warranty their products for virtually any length of your time Until you pay back added to the lifetime warranty. I bought my granddaughter an "H" necklace & a lot less than 3 months later, the chain clasp broke. https://judahfzhve.ttblogs.com/11388924/gold-chain-necklaces-mens-no-further-a-mystery