Jewelry specialist Anya Walsh at 77 Diamonds analyzed some of the most popular engagement rings for the Daily Mail—and the most expensive on the list probably won't surprise you. Princess Diana ...

Mariah Carey and billionaire James Packer broke the record for most expensive celebrity engagement ring in 2016 with a whopping 35-carat, emerald-cut diamond.

Celebrity engagement rings continue to fascinate fans by the sheer size and cost of these tokens of love. But who's worn the most expensive?

The Princess of Wales owns the most expensive ring: Princess Diana's iconic 12-carat oval-cut Ceylon blue sapphire, surrounded by 14 round-cut solitaire diamonds, all set in 18-carat white gold.

Coming in with the third-most expensive royal ring is the Duchess of Sussex, whose three-stone diamond style is worth £150,000 ($193,000) or more, according to the jewelry expert. Like the ...