Jeweled headwear is a type of accessory that is often worn by royalty or those of high social status. Diadems, crowns, and tiaras are all examples of jeweled headwear. A diadem is a type of headband with jewels, usually made of gold or silver. A CROWN is a type of headpiece with a circular shape, often adorned with jewels and other decorations. A TIARA is a type of CROWN that is typically worn by women. Tiaras are often made of precious metals and decorated with jewels.