An item of jewellery is a decorative accessory worn for personal adornment, such as a STUD, an EARRING, or a NECKLACE. A STUD is a small piece of jewellery, usually with a gemstone or other ornamentation, that is attached to clothing or pierced into the skin. An EARRING is a piece of jewellery that is attached to the earlobe or other parts of the ear. A NECKLACE is a piece of jewellery that is worn around the neck and can be made from a variety of materials, including metal, plastic, and beads.