The most expensive piece of British Royal Family jewelry ever is revealed

The Royal Family's jewelry is always stunning

Queen Elizabeth II arrives for the state banquet in her honour at Schloss Bellevue palace on the second of the royal couple's four-day visit to Germany on June 24, 2015 in Berlin, Germany.
(Image credit: Photo by Sean Gallup/Getty Images )

The Royal Family’s jewelry is always breathtakingly stunning and whenever a piece is spotted at a royal wedding or occasion, it’s always sure to delight royal fans.

The Royal Family’s jewelry forever captures the imagination of royal fans when pieces are brought out for special royal occasions. From the tiaras worn by Catherine, Duchess of Cambridge and Princess Beatrice on their wedding days, to the jewelry worn by the Queen herself, it’s no surprise that some of these pieces are seriously expensive. 

When it comes to just how costly these beautiful jewelry items are, we might just have the answer. OnBuy.com has looked into valuing some of the British Royal family’s treasures. Enlisting the help of Roseanna Croft Jewellery, the priciest gems, tiaras and necklaces in the family can now be revealed!

And the jewelry item that took the top spot probably won’t be what you’d expect…

What is the most expensive piece of Royal Family jewelry?

Oriental circlet tiara - $8,182,356+ (£6 million+)

Throughout her reign, Queen Elizabeth II has been seen in many dazzling crowns. A particularly significant one is the Oriental Circlet Tiara, originally designed by Prince Albert for Queen Victoria. Her Majesty has reportedly only been seen wearing it once and the dazzling diadem could fetch upwards of $8 million, coming out on top as the most expensive piece of British Royal Family jewelry! 

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What are the other priciest jewelry pieces in the Royal Family?

Queen Mary's fringe tiara - $6,818,630+ (£5 million+)

This beautiful tiara was originally gifted to Queen Mary by Queen Victoria and has been passed down through several generations. It is understood to have been Her Majesty’s “something borrowed” on her wedding day and was then loaned to the Queen’s granddaughter Princess Beatrice for her wedding in 2020. Estimated to be worth in excess of $6 million, this is one valuable accessory. 

Queen Mary's diamond bandeau - $2,727,452 (£2 million)

Another tiara of historical importance, the Queen Mary diamond bandeau was worn by Meghan Markle, now Duchess of Sussex, in one of the biggest royal weddings of all time in May 2018. It is valued highly and certainly looked stunning on the Duchess of Sussex on her big day.

Meghan, Duchess of Sussex travels in an Ascot Landau carriage as she & Prince Harry, Duke of Sussex begin their procession through Windsor following their wedding at St George's Chapel, Windsor Castle on May 19, 2018

(Image credit: Photo by Max Mumby/Indigo/Getty Images)

Queen Alexandra's wedding necklace - $409,117 (£300K) but probably much more!

Gifted to her on her wedding day in 1863, Queen Alexandra’s wedding necklace was made by Garrard as part of a parure that included a coronet, tiara, necklace, brooch, and earrings for a total of $18,655.77 (£13,680). In today’s money that would be around $409,117, but its true value if put to auction could be much more given its brilliant history.

Queen Mary's choker bracelet – $340,931.50+ (£250K+)

This piece was originally designed as a choker and is believed to be one of the Duchess of Cambridge’s favorite pieces. She has often been seen wearing it as a bracelet and the dainty item is worth upwards of $340,931.50. 

Cubitt-shand tiara - $340,931.50 (£250K)

Unique in design and appearance, this tiara belonged to the Duchess of Cornwall’s grandmother, and she inherited it when her mother sadly passed away. Duchess Camilla lent it to her daughter Laura Parker Bowles to wear on her wedding day and it’s thought it could fetch $340,931.50 at auction.

Laura Parker Bowles and Harry Lopes during Laura Parker Bowles and Harry Lopes - Wedding at St Cyriac's Church in Lacock, Great Britain

(Image credit: Photo by Anwar Hussein/WireImage via Getty)

Brazilian aquamarine necklace - $204,558.90+ (£150K+)

The beautiful jeweled necklace was gifted from the Brazilian president on the Queen’s coronation. Featuring nine octagon aquamarines of the finest color in a diamond scroll setting, this amazing piece is worth $204,558.90 and up.

Maple leaf brooch - $136,372.60+ (£100K+)

The Queen and other members of the Royal Family have worn this special brooch, which pays tribute to Canada, on several occasions. It was given to her by King George V and could be worth at least $136,372.60! 

Queen Elizabeth II (maple leaf diamond brooch detail) visits Canada House to celebrate Canada's 150th anniversary of Confederation on July 19, 2017

(Image credit: Photo by Max Mumby/Indigo/Getty Images)

Amethyst heart necklace - $68,186.30+ (£50K+)

Dazzling in pearl, diamond and amethyst, the heart necklace was a wedding gift from Queen Mary to Queen Alexandra. The Duchess of Cornwall has been seen wearing it most recently, and according to Roseanna Croft, she is wearing upwards of $68,186.30 around her neck!

Four strand pearl necklace - $34,093.15+ (£25K+)

Last but certainly not least is the delicate four strand pearl necklace, gifted to the Queen by the Japanese Government. Both the late Princess Diana and Catherine, Duchess of Cambridge have worn it, and the cultured pearls with a platinum and diamond clasp is valued at $34,093.15 and up.

Who could imagine what it would be like wearing these beautiful Royal Family jewelry pieces?