When you invest in a beautiful pair of diamond earrings, or you inherit a family heirloom jewelry, you, of course, want to make sure that those diamond earrings stay firmly on your ears. Earring back replacements are an essential accessory. These are crafted of solid 14k gold and come in small, medium and large sizes. Genuine 14k White Gold Earring Backs. 2 piece set heavy friction earring backs in beautiful daisy design. Most secure earring backs for diamond solitaire studs.