Letter Necklace - A necklace with a letter can be worn by anyone. You're never too old to wear a piece of jewelry with a letter in silver or gold. Today, there are many different versions to choose from. Whether they should be light and open, or round and solid with stones, or perhaps in 14kt gold adorned with small diamonds across the front, it's entirely up to you. Now, it's just a matter of choosing which letter necklace it should be.