Cover Princess Beatrice borrowed a dress and a tiara from her grandmother, Queen Elizabeth II for her wedding day. (Photo: Courtesy of @theroyalfamily)

Princess Beatrice borrowed a dress and a tiara from her grandmother, Queen Elizabeth II, for her recent wedding to British property developer Edoardo Mapelli Mozzi

Princess Beatrice married British property developer Edoardo Mapelli Mozzi in a small ceremony at The Royal Chapel of All Saints in Windsor on Friday, 17 July.

The Royal Family's Twitter account has shared two official pictures from Princess Beatrice's wedding day, one of which features Queen Elizabeth II and Prince Philip. It's believed to be the first time the couple have attended a family gathering since the coronavirus lockdown began.

Princess Beatrice wore the Queen Mary diamond fringe tiara with her vintage wedding gown, both of which were loaned by the 94-year-old monarch. It's not the first time a royal bride has accessorised with the Windsor family's jewels. Meghan Markle, Kate Middleton, and Princess Beatrice's sister Eugenie were all loaned diamond-decked headpieces by the Queen.

That being said, the Queen Mary diamond fringe tiara holds special significance. It was previously worn by Her Majesty on her own wedding day in 1947. It famously broke moments before she was supposed to walk down the aisle. Fortunately, a court jeweller was able to repair it.

See also: "I had nightmares of it exploding": De Beers' Andrew Coxon On Sourcing Diamonds

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Princess Elizabeth, later Queen Elizabeth II with her husband Phillip, Duke of Edinburgh, after their marriage, 1947. (Photo by © Hulton-Deutsch Collection/CORBIS/Corbis via Getty Images)
Above Queen Elizabeth II wore the Queen Mary diamond fringe tiara for her wedding to Prince Philip on 20 November 1947 (Photo: Getty Images)

Princess Beatrice's vintage wedding dress was designed by Norman Hartnell, who also designed Queen Elizabeth II's wedding and coronation gowns. It was remodelled and fitted for the princess by the Queen's dresser Angela Kelly and dressmaker Stewart Parvin.

The tiara was originally created for Her Majesty's grandmother, Queen Mary, by the House of Garrard in 1919. Made using slivers of gold and silver, 47 bars separated by smaller diamond spikes are set with white diamonds that were taken from an antique jewellery piece that Queen Victoria gifted Queen Mary in 1893.

Talk about a prized family heirloom...

See also: Why Upcycling Heritage Pieces Is The Next Big Trend In High Jewellery