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    1. Celebrity
    2. Royals

    Princess Catharina-Amalia Makes a 146-Year-Old Tiara and Necklace Look Modern With a Plunging Jenny Packham Gown

    It's giving Heart of the Ocean.

    Kristin Contino#039;s avatar
    By Kristin Contino
    Published 11 December 2025 In News

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    Princess Catharina-Amalia in a tiara and diamond necklace
    (Image credit: Getty Images)
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    December has been quite the month for tiaras, with everyone from Princess Kate to Crown Princess Victoria of Sweden stepping out in dazzling royal jewels (and show-stopping evening gowns to match). On Thursday, December 11, the Dutch royal family joined the ranks of this month's best-dressed, with King Willem-Alexander, Queen Maxima and Princess Catharina-Amalia welcoming the president and first lady of Finland for a state banquet.

    Queen Maxima has never been one for minimalism, but Princess Amalia outdid even her glamorous mother in terms of jewels on Thursday night. Amalia, who is heir to the Dutch throne and known as the Princess of Orange, wore a beige Jenny Packham ballgown with a plunging front, accenting the modern dress with numerous historic diamond pieces from the royal vaults.

    She wore the Dutch Diamond Bandeau Tiara, a headband-style piece featuring massive round diamonds that dates back to Queen Emma, who received it as a wedding present in 1879. Per The Court Jeweller, the tiara features more than 100 carats of diamonds and was originally a necklace. In the 1930s, Queen Wilhelmina turned her mother's necklace into a tiara, and today, it's one of Queen Maxima's most-worn tiaras.

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    Princess Catharina-Amalia, the president and first lady of Finland, King Willem-Alexander, Queen Maxima at a state banquet

    (Left to right) Princess Catharina-Amalia, Suzanne Innes-Stubb, Alexander Stubb, King Willem-Alexander and Queen Maxima pose on December 11.

    (Image credit: Getty Images)

    Princess Catharina-Amalia wearing a tiara

    Princess Catharina-Amalia is pictured at a state banquet on December 11.

    (Image credit: Getty Images)

    Princess Catharina-Amalia wearing a huge diamond necklace and tiara

    Amalia shows off her enormous diamond necklace and tiara.

    (Image credit: Getty Images)

    Along with Queen Emma's tiara—which Amalia wore for the first time on Thursday—she also wore the incredible necklace that her great-great-great grandmother, Emma, received as a wedding gift. According to The Royal Watcher, the late queen received a diamond stomacher (essentially, a huge brooch) and diamond riviére necklace from the Dutch people when she married King Willem III of the Netherlands.

    The whopping 30-carat pale yellow diamond at the center of the stomacher can be removed and worn as a pendant with the necklace, like Amalia did, and Queen Maxima styled it in the same way as her daughter when she attended her mother-in-law Queen Beatrix's abdication banquet in 2013.

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    As for Queen Maxima, she went with a pearl theme, wearing a five-strand pearl necklace and the Württemberg Ornate Pearl Tiara, an intricate design that was created for Queen Wilhelmina in 1897 and worn by Queen Beatrix on her wedding day in 1966.

    Maxima added some extra drama with her bright red gown, with the off-the-shoulder Claes Iversen style featuring balloon sleeves and a belted waist.

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    Princess Catharina Amalia Queen Maxima
    Kristin Contino
    Kristin Contino
    Senior Royal and Celebrity Editor

    Kristin Contino is Marie Claire's Senior Royal and Celebrity editor. She's been covering royalty since 2018—including major moments such as the Platinum Jubilee, Queen Elizabeth II’s death and King Charles III's coronation—and places a particular focus on the British Royal Family's style and what it means.

    Prior to working at Marie Claire, she wrote about celebrity and royal fashion at Page Six Style and covered royalty from around the world as chief reporter at Royal Central. Kristin has provided expert commentary for outlets including the BBC, Sky News, US Weekly, the Today Show and many others.

    Kristin is also the published author of two novels, “The Legacy of Us” and “A House Full of Windsor.” She's passionate about travel, history, horses, and learning everything she can about her favorite city in the world, London.

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