Photo: Getty

Tiaras, while not a requirement, tend to adorn the heads of most royal brides – and those walking down the aisle to exchange vows with a royal.

Princess Diana famously wore an heirloom from her family (the Spencer Tiara) rather than a royal-family heirloom atop her head for her wedding to Prince Charles. The Duchess of Cambridge wore the Cartier Halo Scroll tiara down the aisle to wed Prince William, which George VI commissioned from Cartier for his wife in 1936. Sarah Ferguson was gifted a Garrard crown by the Queen for her wedding to Prince Andrew, The York Diamond Tiara, which hasn’t been seen in public since.

Many thought it might re-emerge on the head of Princess Eugenie when she married Jack Brooksbank, but instead the bride opted to wear the Greville Emerald Kokoshnik tiara, which was lent to her by her grandmother, the Queen. Meghan Markle wore the Queen Mary Diamond Bandeau tiara to become the Duchess of Sussex, which was also borrowed from the Queen’s private collection.

Of course, tiaras aren’t solely reserved for weddings; they also often come out of the family vault for other important royal occasions such as state visits and formal banquets. The Duchess of Cambridge, for example, regularly wears the Lovers’ Knot tiara – a piece now commonly associated with her.

Here’s everything you need to know about some of the most famous tiaras in royal history.

The Spencer Tiara

Photo: Getty

Most royal wedding tiaras are from the royal vault, but Diana’s actually belonged to her family, who can trace their lineage back to the Tudor period, People reports. The headpiece, which is actually made up of many pieces of family jewellery (a common occurrence with heirloom tiaras), is now in the possession of Diana’s brother, Charles Spencer.

The Strathmore Rose Tiara

Photo: Alamy

Floral motifs aren’t essential for wedding day jewellery, but most royal brides tend to style their looks with them. Made in the 19th century, this tiara was given to the Queen Mother by her parents as a wedding present, before she gifted it to Queen Elizabeth II. Unlike most royal tiaras, this one has yet to make a modern-day appearance.

The Cambridge Lover’s Knot Tiara

Photo: Getty

If you’re a fan of the royals, you’ll undoubtedly recognise this piece. Princess Diana loved this tiara, dubbed the Cambridge Lover’s Knot, and the Duchess of Cambridge has worn it several times most recently. Originally made for Queen Mary by Garrard, it was passed down to Queen Elizabeth before making its way to Diana; but it’s actually a replica of a much older tiara, one made for Queen Mary’s grandmother, Princess Augusta of Hesse, the former Duchess of Cambridge.

The original was sold at auction in Geneva, but given Diana’s affinity for this piece and that the Lover’s Knot history correlates with Kate’s formal title, it seems appropriate that the piece be reserved for her.

Related article: These Are The Jeans Royals Love

The Cartier Halo Tiara

Photo: Getty

This tiara was originally created in 1936 by George VI, who commissioned it from Cartier. Since then, reports Tatler, the Queen received it for her 18th birthday as a gift from her mother, and has since lent it to Princess Margaret, Anne and more recently, to the Duchess of Cambridge for her wedding day.

The Lotus Flower Tiara

Photo: Shutterstock; Getty

This tiara, which is also sometimes referred to as the Papyrus tiara, originally belonged to the Queen Mother and was made from a necklace gifted to her by her husband – and now also sits in the Duchess of Cambridge’s wardrobe. Kate wore the piece for her first formal post-wedding event in December 2013, at the annual diplomatic reception at Buckingham Palace. The dainty tiara features diamonds and pearls and was also a favourite of Princess Margaret’s.

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The Cartier Bandeau Tiara

Photo: Alamy

This modern tiara is made from three gem-set bracelets on a bandeau frame and originally belonged to the Queen Mother, reports Town & Country. This headpiece has a decidedly deco feel, and lays flat across the head unlike most of the other more traditional tiaras.

The Queen Mary Diamond Bandeau tiara

Photo: Getty

This was the tiara that Meghan Markle borrowed from the Queen’s private collection for her wedding day, to pair with her minimal Givenchy gown by Clare Waight Keller. The 1932 Art Deco diamond and platinum piece features a large centre stone and was originally created for the Queen’s grandmother, Queen Mary.

With the Queen’s approval, the headpiece went on public viewing for the first time in A Royal Wedding: The Duke and Duchess of Sussex – a special display of the royal couple’s wedding outfits at Buckingham Palace.

Photo: Royal Collection Trust

“When it came to the tiara on the day, I was very fortunate to be able to chose this gorgeous art deco style bandeau tiara,” the duchess explained in a joint interview with her husband for the exhibition’s audio guide. “Harry and I had gone to Buckingham Palace to meet with her Majesty the Queen to select one of the options that were there which was an incredibly surreal day as you can imagine.”

When it came to picking the right jewels, Meghan shared that complementing her dress was key. “That was the one that I think as we tried them on stood out,” she continued. “I think it was just perfect because it was so clean and simple – and also to that point, an extension of what Clare and I had been trying to do with the dress which was have something that could be so incredibly timeless but still feel modern.”

Related article: Every Photo From The Royal Family’s Polo Outing

The Greville Emerald Kokoshnik tiara

Photo: Getty

While it was widely expected that Princess Eugenie might walk down the aisle in the York tiara, she actually chose the Greville Emerald Kokoshnik tiara instead. The diamond and emerald headpiece was designed by Boucheron in 1919 and originally belonged to Dame Margaret Greville, a famous society hostess who, upon her death, left her jewels to the Queen Mother. It was then passed down to the Queen for her private collection, who lent it to her granddaughter for her special day.

The Floral Tiara

Photo: Courtesy

The 1934 Floral Tiara was owned by Lady Edwina Mountbatten, otherwise known as the Countess Mountbatten of Burma, who married into the royal family when she wed Louis Mountbatten, Queen Victoria’s great-grandson (and Prince Philip’s uncle). She first wore the Chaumet piece, which features a series of elegant scrolls surrounding trefoil motifs in an Indian style, to the coronation of King George VI in 1937 and then again to the coronation of Queen Elizabeth II in 1953. The tiara passed to one of her daughters upon her death in 1960 and was put up for sale in 2002. It’s currently on display as part of the Chaumet in Majesty exhibition at the Grimaldi Forum in Monaco until 28th August 2019.

This article originally appeared on Harper’s Bazaar UK