Royal headwear is a type of clothing worn by royalty and other high-ranking individuals. The most common types of royal headwear are the DIADEM, CORONET, TIARA, and CAP. A DIADEM is a crown with a band of jewels or other decorations, usually made of gold or silver. A CORONET is a small crown with a brim and often adorned with jewels. A TIARA is a crown with a high peak and often decorated with jewels. A CAP is a simple hat with a flat top and a brim. Tiaras are also a type of royal headwear, but they are more ornate than caps.