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 ...

Kate Middleton's had an on-again, off-again relationship with her engagement ring for a year. What's the royal secret about ...

It was off to the races for Princess Eugenie and her cousin, Zara Tindall, this month as the pair stepped out—in matching ...

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 ...

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 ...