Tiffany necklaces come in a selection of unique designs. The luxury American jewelers was founded in New York during the ‘50s. Items can be spotted by the label's heart-shape charm, or T&CO emblem printed onto the metal. Pieces are designed in silver, gold, rose gold and platinum with precious stone inlay. The chains come in simple and chunky variations, depending on your personal style. Shop Tiffany necklaces for women on Depop.