How to choose a diamond necklace or pendant? Whether you’re buying a diamond necklace for yourself or as a gift, it’s important to get the length and style right. Diamond pendants and necklaces make easy gifts, guaranteed to make your recipient happy. They’re also beautiful accessories that add elegance, luxury and sparkle to your outfit. There are a variety of options to fit any budget. From the dainty sparkle of a stone to a show-stopping diamond solitaire, you have more options today than ever before.