With World Proposal Day on the horizon (20th March 2020), people around the world may be thinking about getting down on one knee and popping the question to their loved one.

Many people turn to celebrity rings for inspiration, which led OnBuy to question, what are the most expensive engagement rings of all time?

We've created a list of the top 10 rings, the celebrity it belongs to and their estimated cost - the results may shock you.

Who owns the most expensive celebrity engagement ring?

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Who Owns The Most Expensive Celebrity Engagement Ring?

Mariah Carey

1. Mariah Carey

The most expensive celebrity engagement ring belongs to Mariah Carey, at a staggering £7.6 million! Despite the price, it didn't lead to a long-term marriage with the proposal being broken off within a year.

Photo Credit: Wikimedia Commons / Sgt. Michael Connor

Elizabeth Taylor

2. Elizabeth Taylor

In second place is Elizabeth Taylor's engagement ring, which was given to her by Richard Burton. The ring was constructed using the Krupp diamond - then known as the Elizabeth Taylor diamond - and cost £6.7 million. Despite two divorces from Burton, Taylor kept her engagement ring until she died in 2011.

Photo Credit: Wikimedia Commons / Studio publicity still

Kim Kardashian

3. Kim Kardashian

Kim Kardashian's engagement ring from Kanye West took the third spot, costing an estimated £6.1 million! The ring was a result of Kanye's deal with Adidas, which was stolen during the infamous Paris robbery which made headlines back in October 2016.

Photo Credit: Wikimedia Commons / Danilo Lauria / CC BY-SA

Anna Kournikova

4. Anna Kournikova

Tennis star Anna Kournikova ranked in fourth with her engagement ring from Enrique Iglesias, which was worth an estimated £4.1 million.

Photo Credit: Wikimedia Commons / Jon E. Dougherty

Beyoncé

5. Beyoncé

Pop queen Beyoncé made it to fifth in our list with her 18-carat emerald cut diamond ring from Jay-Z, which was worth an estimated £3.8 million.

Photo Credit: Wikimedia Commons / Rocbeyonce

Related: 7 Tips For Planning A Wedding On A Budget

Paris Hilton

6. Paris Hilton

Paris Hilton may not have gone through with her engagement, but she did get to keep the £3.59 million ring she was given by ex-fiancé Chris Zylka, which puts her ring in sixth place.

Photo Credit: Wikimedia Commons / Jjkob

Grace Kelly

7. Grace Kelly

Grace Kelly's engagement ring from Prince Rainier of Monaco is the oldest ring on our list, but the seventh most expensive ring, with an estimated worth of £3.51 million.

Photo Credit: Wikimedia Commons / Paramount publicity photographer

Jennifer Lopez

8. Jennifer Lopez

Jennifer Lopez has been engaged FIVE times, but the ring she received from Marc Anthony was the most expensive of them all, worth an estimated £3.4 million. This lands the ring in eighth spot.

Photo Credit: Wikimedia Commons / dvsross / CC BY

Melania Trump

9. Melania Trump

America's first lady, Melania Trump, makes it to ninth on the list. The diamond ring given to her in 2005 by now President Donald Trump is worth an estimated £2.2 million!

Photo Credit: Wikimedia Commons / DoD Staff Sgt. Marianique Santos

Jackie Kennedy Onassis

10. Jackie Kennedy Onassis

The 10th most expensive ring was that given to Jackie Kennedy Onassis (widow of US President JFK) by her second husband. The second successive first lady on our list received a ring worth £1.9 million from Aristotle Onassis, a Greek shipping industry mogul.

Photo Credit: Wikimedia Commons / Cecil W. Stoughton

The total cost of all 10 rings on the list came to an eye-watering £42,900,000, which goes to show just how crazy some celebrities are willing to go to woo their future wife!

Just remember, on this upcoming proposal day, you don't have to spend hundreds of thousands of pounds on an engagement ring. As long as your heart is in the right place, hopefully it will all go well on the 20th of March!

Also read: Britain's Favourite Sex Positions

The Top 10 Most Expensive Celeb Engagement Rings