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Princess Dagmar’s Diamond Tiara

Princess Marie of Denmark will celebrate her 50th Birthday this week! The French-born daughter-in-law of Queen Margrethe II of Denmark has several Royal Heirlooms, the most spectacular of which is Princess Dagmar’s Diamond Floral Tiara!

Composed of three large and two smaller diamond flowers set in a foliate design, the Tiara is of unknown provenance, but since Princess Dagmar’s mother, Queen Lovisa, possessed a legendary jewellery collection it is possible it could come from her, or could be an heirloom of the Castenskjold Family.

The Diamond Floral Tiara was worn by Princess Dagmar on several state occasions, like the Swedish State Visit to Denmark in 1952, the Dutch State Visit to Denmark in 1953, and the Iranian State Visit to Denmark in 1959 among others.

Princess Dagmar also wore the Diamond Floral Tiara for the 18th Birthday Banquet of her great-niece, Queen Margrethe of Denmark, in 1958, King Frederik IX and Queen Ingrid’s Silver Anniversary in 1960and the Wedding of another great-niece, Princess Astrid of Norway, in 1961, just a few months before her death.

While some believe that the Diamond Floral Tiara was bequeathed to King Frederik IX of Denmark upon the death of Princess Dagmar in 1961, it is more likely that the Tiara was acquired by the main line of the Danish Royal Family sometime by the early 1970s, when it was worn by the newly acceded Queen Margrethe II for a Banquet during her first State Visit to Sweden in 1973, followed by a Guildhall Banquet on a State Visit to Britain in 1974, and also for the Nobel Prize Ceremony in 1975 and King Olav’s 75th Birthday Celebrations in 1978.

Before she received the Floral Aigrette Tiara, Princess Dagmar’s Diamond Floral Tiara was often worn by Queen Margrethe during the 1980s, with notable appearances including the Danish State Visit to Japan in 1981, the Icelandic State Banquet in 1981, King Olav V’s Silver Jubilee in 1982, and the Danish State Visit to Spain in 1983.

Queen Margrethe also wore Princess Dagmar’s Diamond Floral Tiara for Crown Prince Harald of Norway’s’s 50th Birthday in 1987, State Visits to Canada and New Zealand, the Confirmation of Crown Prince Haakon of Norway in 1988, a State Visit to Poland in 1993, and most recently a State Visit to Romania in 2000, usually pairing it with her Antique Diamond ParureQueen Alexandrine’s Sapphire Parure or her Saudi Diamond Necklace.

In 1992, Queen Margrethe loaned Princess Dagmar’s Diamond Floral Tiara to her mother-in-law, Countess Renée-Yvonne de Laborde de Monpezat, for the Banquet and subsequent Gala Dinner to celebrate Queen Margrethe and Prince Henrik’s 25th Wedding Anniversary.

Princess Dagmar’s Diamond Floral Tiara was also loaned by Queen Margrethe her niece, Princess Nathalie of Sayn-Wittgenstein-Berleburg, for the Wedding of Crown Prince Haakon of Norway in 2001.

After having given the Alexandrine Drop Tiara as a wedding gift to Countess Alexandra of Frederiksborg, the first wife of her second son Prince Joachim, who retained it after their divorce, when Prince Joachim married Marie Cavallier in 2008, Queen Margrethe gave Princess Dagmar’s Diamond Floral Tiara not as a wedding gift to Princess Marie, but stipulated it as a long-term loan.

Princess Dagmar’s Diamond Floral Tiara has remained Princess Marie’s primary tiara since her wedding day, being notably worn for the various Danish New Year’s Receptions, the Culture and Sport Gala at Christiansborg Palace in 2009, Queen Margrethe’s 70th Birthday in 2010, the Wedding of Princess Madeline of Sweden in 2013, the Mexican State Visit to Denmark, Queen Margrethe’s 75th Birthday, and the Wedding of Prince Carl Philip of Sweden in 2015,

Princess Marie also wore Princess Dagmar’s Diamond Floral Tiara for the Icelandic State Visit to Denmark in 2017, the Belgian State Visit to Denmark in 2017, the New Year’s Reception in 2018Crown Prince Frederik’s 50th Birthday Gala 2018, a Banquet at Christiansborg Palace in 2018, the New Year’s Reception in 2019 and the Danish New Year’s Reception in 2020.

To mark Queen Margrethe’s Golden Jubilee in 2022, Princess Dagmar’s Diamond Floral Tiara was among the jewels on display in the legendary ‘A Queen’s Jewellery Box’ Exhibition at the Amalienborg Palace Museum, where it was stated that the Tiara now belonged to Princess Marie.

More recently, Princess Dagmar’s Diamond Floral Tiara was worn by Princess Marie for Queen Margrethe’s Golden Jubilee Banquet, the Danish New Year’s Banquet in 2023, Prince Christian of Denmark’s 18th Birthday Banquet, the Danish New Year’s Banquet in 2024, the Egyptian State Visit to Denmark, and the Danish New Year’s Banquet in 2025. There is no doubt we will continue to see this Royal Heirloom for years to come!

Princess Dagmar’s Diamond Floral Tiara

Flora Danica Tiara

Nuits Claires Tiara

Queen Alexandrine’s Sapphire Brooch

Sapphire Earrings

The Jewels of the Queens of Denmark

The Danish Emerald Parure

The Danish Pearl Poiré Tiara

The Danish Ruby Parure

Danish Diamond Bandeau

Wedding Tiara

Diamond Necklace Tiara

Midnight Tiara

Danish Diamond Rivière

‘Belle Epoque’ Diamond Earrings

Duchess of Leuchtenberg’s Pearl Bracelet

Wedding Earrings

Diamond Fringe Earrings

Aquamarine Jewels

Amethyst Earrings

Queen Josefina’s Diamond Brooches

Connaught Sapphire Brooch

Queen Louise of Sweden’s Engagement Bracelet

Diamond Flower Brooch

Antique Turquoise Parure

Diamond Flower Earrings

Ole Lynggaard Brooch

LP Staff Writers

Writers at Lord’s Press come from a range of professional backgrounds, including history, diplomacy, heraldry, and public administration. Many publish anonymously or under initials—a practice that reflects the publication’s long-standing emphasis on discretion and editorial objectivity. While they bring expertise in European nobility, protocol, and archival research, their role is not to opine, but to document. Their focus remains on accuracy, historical integrity, and the preservation of events and individuals whose significance might otherwise go unrecorded.

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