3.0 I like Helzberg's, but I do not like that they don't warranty their products for just about any length of time Until you pay additional for the lifetime warranty. I bought my granddaughter an "H" necklace & less than three months later, the chain clasp broke. I'd go through https://flenzy.store/trendy-heart-angel-wings-pendant-necklace-romantic-i-love-you-jewelry/