A diamond tiara may be the most consummate, prized jewelry piece in a lady’s repertoire. Its noble history and elegant sparkle lend a stunningly elegant aura to any lady who wears one! Should an occasion arise in your future for you to wear a tiara, you should be aware of the protocol that comes along with the tradition of it.
According to the English protocol, diamond tiaras are only worn by married women or members of the royal family. A tiara is not worn by an unmarried woman. Hence, a diamond tiara brilliantly serves not only as a status symbol for a married lady but is tantamount to a wedding ring. It is an outward display that she is married and therefore not looking for a husband.
Traditionally, a diamond tiara is passed down through one's family. If you inherited one, you have a good reason to keep it!
Historically, a bride wore her family’s tiara on her wedding day. Nowadays, however, it is also acceptable to wear the future husband’s family tiara. Lady Diana wore her Spencer family tiara on her wedding day. This means, however, that the bride will change over to her husband’s family’s tiara, along with its jewels, once she is married.
As an interesting aside, Prince Harry's wife, Megan Markle, can no longer wear a tiara for diplomatic and royal functions, since she has relinquished her royal duties and no longer has the HRH title.
Millennial Tip
A lady may wear both a crown or a tiara, where as a gentleman only wears a crown, and a crown tends to be more elaborate than a tiara.