The ring technically belonged toPrince Harry, but he wanted his future sister-in-law to have it.

“That’s selfless, kind and exactly who Diana was.”

When it came time to find an engagement ring forMeghan Markle, Prince Harry was hands-on in the design.

Kate Middleton & Meghan Markle clapping

However, they are likely worth more because they were from Diana’s personal collection.

(via World ABC News).

PerThe Knot, it’s worth about $500,000.

Kate Middleton smiling

Of course, the sentimental value of the ring makes it priceless to Kate and William.

“This was my way of keeping her sort of close to it all.”

Stone adds that all of the royal engagement rings have been a hit with brides-to-be around the world.

Meghan Markle holding her wedding ring up to her face

It’s not just about the size of the stone, though.

It’s a piece of history now, which makes it essentially priceless.

Queen Elizabeth’s granddaughter’s ringreportedly cost around $200,000and has the sweetest story to its design.

Zara Tindall smiling and wearing sunglasses showing her wedding ring

In case you’re not up on royal knowledge, Tindall is a British equestrian and Olympian.