14K Yellow Gold Gem Stone Necklace. Adjustable cable chain is 18" in length with additional loop at 16". You can add your birthstones DM: For Birthstone Color Jewelry with initials is super popular right now and a real must have! Wearing a yellow gold initial necklace makes your outfit more personal than ever. Choose a letter that means a lot to you. This way, you can wear your own initial or an initial of someone very dear to you. This beautiful gold initial necklace is not only great fun for yourself, but also the perfect gift for that special someone in your life. Care tips: It will not oxidize or discolor. But since gold is a very soft metal that scratches easily, give it a wipe with a jewelry cloth once and awhile to keep it fresh.