MEGA Prince William and Kate Middleton's 8-year-old daughter, Princess Charlotte, is set to inherit Princess Diana's iconic Spencer Tiara - much to the frustration of diva duchess Meghan Markle. Wonderwall.com can reveal the dazzling jewelry piece has an estimated worth of at least $535,000 and is likely to go to Charlotte instead of Meghan and Prince Harry's daughter Lilibet. "The chances of Princess Charlotte or Princess Lilibet wearing the Spencer Tiara one day are certainly possible," said Maxwell Stone, a jewelry expert at Steven Stone Jewellers. "But there are several key factors.