Three.0 I like Helzberg's, but I don't love that they don't warranty their products for just about any length of your time unless you spend additional for your lifetime warranty. I purchased my granddaughter an "H" necklace & below three months afterwards, the chain clasp broke. I'd read through testimonials https://flenzy.store/sterling-silver-angel-wing-pendant-necklace-with-purple-zircon/