Princess Diana’s Spencer Tiara became one of the most recognized pieces of royal jewelry in the world when she wore it at her 1981 wedding. That was more than 40 years ago, but the jewel is still one of the most famous and coveted royal treasures on the planet.

Princess Diana's most famous tiara may be one of the most recognizable pieces of royal jewelry in the world, but despite its close association with the late princess, the glittering heirloom is set to remain firmly out of reach of both Princess Kate and Meghan Markle.

It's not easy wearing a crown. Tiaras, however, tend to lie a little easier on the head. So why has Princess Charlotte yet to wear one?

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. As Princess of Wales, Princess Kate is the most senior female member of the royal family behind Queen Camilla, and as such, she ...