LONDON, ENGLAND - MARCH 13: (L-R) Tom Hiddleston and Zawe Ashton attend the EE British Academy Film Awards 2022 at Royal Albert Hall on March 13, 2022 in London, England. (Photo by Jeff Spicer/Getty Images)
Cover Tom Hiddleston and Zawe Ashton at the Baftas in March 2022 (Photo: Jeff Spicer/Getty Images)

Halo rings have been seen on royal brides and Hollywood elites. What are they, and what’s so special about them?

Zawe Ashton caused a stir on the red carpet at the Baftas in March with a diamond on her ring finger.

The actress and director is now confirmed to be engaged to actor Tom Hiddleston. A media frenzy surrounding the couple’s wedding plans followed—but it was her beautiful halo engagement ring that caught the attention of style watchers.

Ashton’s engagement ring features a large oval diamond surrounded by a halo of pavé diamonds, and is set on a gold band.

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Zawe Ashton - wearing a large ring on her wedding finger - arriving at the 75th British Academy Film Awards Dinner at the Grosvenor House Hotel in London. Picture date: Sunday March 13, 2022. (Photo by Yui Mok/PA Images via Getty Images)
Above Zawe Ashton wearing a large ring on her wedding finger (Photo: Yui Mok/PA Images via Getty Images)

A halo ring refers to a setting where a collection of smaller pavé or micro-pavé diamonds surround a larger stone in the centre. The stone in the middle can be the same as its surrounding ones—or they can be different, both in gem and shape. It’s believed that this setting can sometimes make the centre stone appear larger than it is.

Before Ashton showed off her rock on the red carpet, halo engagement rings had already gained traction for some time.

Catherine, Duchess of Cambridge, née Kate Middleton and wife of Prince William, the Duke of Cambridge, has possibly one of the best-known halo rings in the world on her ring finger. Made by luxury jeweller Garrard, it features a 12-carat oval blue sapphire surrounded by 14 solitaire diamonds, with a 18K white gold band.

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ARGENTINA - NOVEMBER 24:  A Portrait Of Princess Diana Looking Pensive Whilst Visiting The British American Benevolent Society During Her Official Tour Of Argentina.  (Photo by Tim Graham Photo Library via Getty Images)
Above Princess Diana's iconic engagement ring (Photo: Tim Graham Photo Library via Getty Images)
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LONDON, UNITED KINGDOM - MARCH 09: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge attends the Commonwealth Day Service 2020 at Westminster Abbey on March 9, 2020 in London, England. The Commonwealth represents 2.4 billion people and 54 countries, working in collaboration towards shared economic, environmental, social and democratic goals. (Photo by Max Mumby/Indigo/Getty Images)
Above Catherine, Duchess of Cambridge wearing the same engagement (Photo: Max Mumby/Indigo/Getty Images)

The ring famously belonged to her mother-in-law, the late Diana, Princess of Wales. It stunned the world when Diana and Prince Charles announced their engagement in 1981, then again in 2010 when the Cambridges did the same.

Prince William’s cousin, Princess Eugenie, also has a halo engagement ring. It consists of an oval-shaped and coral-coloured padparadscha sapphire—estimated to be around three carats—surrounded by ten round and two pear-cut diamonds and set on a yellow gold band.

Halo rings can come in all shapes and sizes, allowing for greater personalisation. Variations include the double floating halo setting, in which the central stone is bordered by two circles of smaller stones. Its versatility means it is a popular choice not just among celebrities and royals—but also couples around the world.

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