Gold earrings may well contain more nickel When they are 14K and lower. On the other hand, 18K gold and above consists of considerably less nickel because of the high gold material. By way of example, 22K gold incorporates below 0.1% of nickel, making it safer to wear than others. https://charliezjwfm.tribunablog.com/earring-meaning-men-an-overview-46317685