Diamond earrings can be made in a variety of styles and designs, such as studs, hoops, or clusters. They can be made with one or multiple diamonds, in different shapes and sizes. Some popular diamond shapes used in earrings are round, princess, cushion, pear and oval. They can be set in a variety of metals such as yellow gold, white gold and rose gold. They are a popular choice for formal occasions, as well as everyday wear and make a great addition to any jewellery collection.