3.0 I like Helzberg's, but I don't like that they don't guarantee their products for virtually any length of time Until you pay back more with the lifetime warranty. I bought my granddaughter an "H" necklace & under 3 months later, the chain clasp broke. I had read assessments declaring https://flenzy.store/sterling-silver-angel-wing-pendant-necklace-with-purple-zircon/