Princess Diana’s iconic sapphire and diamond engagement ring now belongs to Prince William's wife Kate Middleton Ariana Quihuiz is a contributing writer at PEOPLE. She has been working at PEOPLE ...

Royal family members Princess Diana and Meghan Markle often take the spotlight when it comes to royal engagement rings. However, the most valuable engagement ring in royal history belongs to ...

Kate once again kept the mystery of the missing engagement ring alive by sporting four sparkling bands – none of which were ...

That said, it’s hard not to also see the overlap between Eugenie’s engagement ring and Princess Diana’s—now worn by Kate Middleton—given it also included a large sapphire at the center ...