Her engagement ring may perhaps be one of the most famous and most controversial in the history of royal romances, as it’s the very same ring owned by her late mother-in-law, Princess Diana.

Hilary Duff

Not all marriages last forever ... but a diamond ring does. Although the marriage has now been dissolved, Hilary Duff once received a beautiful, 14-carat, princess-cut diamond engagement ring from her ex-husband, retired NHL player Mike Comrie.

This ring came with a whopping price tag of around US$1 million.

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Jennifer Lopez

While the pair never even made it down the aisle, Ben Affleck nevertheless left Jennifer Lopez with some serious diamond bling. Unlike the usual clear diamond rings, this one came in a beautiful pale pink colour.

The beautiful piece is six carats and cost Affleck a bill amounting to US$1.2 million.

Kate Upton

Model Kate Upton has always been known to rock the red carpet with her super gorgeous looks and glamorous evening gowns. But during the 2016 Met Ball, she shone even brighter than usual.

Why? She didn’t just wear any old ring to top off her look – she sported her round, eight-carat diamond engagement ring from Justin Verlander, which cost US$1.5 million.

Katie Holmes

Even though “TomKat” didn’t last, one of the most precious pieces of memorabilia Katie Holmes received from Tom Cruise was her engagement ring.

When she said yes to Cruise in 2005, she received a diamond engagement ring worth US$1.5 million.

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Ciara

Ciara was gifted a 16-carat ring by her fiancé, NFL quarterback Russell Wilson. This massive diamond sparkler is valued at around US$2 million.

Paris Hilton

When Paris Hilton was engaged to Chris Zylka, she received a beautiful pear-shaped engagement ring.

What made this ring so special? It was filled with so many diamonds, even on the sides, that the entire ring made it to a total of 20 carats. The ring cost around US$2 million.

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Blake Lively

Blake Lively and Ryan Reynolds ... couple goals, much? Her engagement ring is pretty covetable, too.

Reynolds proposed to Lively with a beautiful pale pink diamond ring with hints of rose gold. This ring is a total of seven carats and was valued at around US$2 million.

Serena Williams

Serena Williams’ wedding to Reddit co-founder Alexis Ohanian was one of the most lavish weddings ever seen from any celebrity or athlete.

So of course we all expected her engagement ring to be grand too, and it didn’t disappoint. Her ring is valued at around US$2 million.

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Grace Kelly

At that time, her emerald-cut diamond engagement ring was valued at US$4 million.

Elizabeth Taylor

Probably one of the most famous and glamorous diamond rings to date, the Elizabeth Taylor Diamond, also known as the Krupp Diamond, has 33 carats and was auctioned for US$8.8 million after Taylor’s death in 2011.

Although not an engagement ring exactly – actor Richard Burton first proposed to her with an emerald brooch instead – the ring was a gift from husband to wife in 1968.

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