The Daily Diadem: Queen Mary's Honeysuckle Tiara

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The Duchess of Gloucester wears the emerald version of Queen Mary's Honeysuckle Tiara for a Guildhall banquet in honor of South African President Jacob Zuma, March 2010; more on the versatile heirloom tiara over here!

This Week in Royal Jewels: November 22-29

November 22-29, 2018

We've got another supersized royal jewel review for you this week! Don't forget to vote for your favorites in the poll below!

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15. Queen Rania of Jordan wore multiple trendy earrings on Sunday as she arrived at Haneda Airport in Tokyo.

The Daily Diadem: The Vladimir Tiara

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Queen Elizabeth II of the United Kingdom wears the Vladimir Tiara with jewels from the Delhi Durbar Parure for the Commonwealth Heads of Government Dinner in Malta, November 2015; more on the tiara over here!

Another Tiara Debut for Queen Letizia!

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Wednesday brought us yet another tiara debut in a year already jam-packed full of impressive tiara debuts: Queen Letizia of Spain wore the Cartier Diamond Loop Tiara!

The Daily Diadem: The Gloucester Diamond and Emerald Bandeau

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Princess Alice, Duchess of Gloucester wears her diamond and emerald bandeau, a wedding gift from her husband, during the state visit from the Shah of Iran, May 1959; learn more about this bandeau, and the entire Gloucester tiara collection, over here!

Princess Caroline and the Diamond Festoon Necklace

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We often wistfully long for the day that Princess Charlene and her sisters-in-law will wear more of the jewelry that belonged to our Magpie of the Month, Princess Grace. But one of Grace's magnificent jewels has had an outing in recent memory: her Diamond Festoon Necklace.

The Daily Diadem: The Delhi Durbar Tiara

Grand Ladies Site

Queen Mary of the United Kingdom wears the Delhi Durbar Tiara with the Cambridge emerald toppers in a portrait, ca. 1911; more on the tiara over here!

The Gloucester Tiarapedia Has Launched!

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My project to continue building and expanding the Tiarapedia has arrived in one of the most interesting minor royal jewelry collections of all: the tiaras worn by the women of Britain's Gloucester line.

The Daily Diadem: Queen Victoria's Emerald and Diamond Tiara

© Historic Royal Palaces

Queen Victoria's Emerald and Diamond Tiara is displayed at Kensington Palace, March 2018; learn more about this incredible on-going exhibition (and the tiara!) over here!

Queen Alexandrine's Russian Sapphire Tiara

Bruun Rasmussen

This Friday, the Danish auction house Bruun Rasmussen will offer a collection of art and art objects with Russian provenance, and one of the items has a very important royal connection: Queen Alexandrine's Russian Sapphire Tiara is being sold by her Rosenborg descendants.

The Daily Diadem: The Baumer Aigrette

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Princess Charlene of Monaco wears the Baumer Aigrette for the dinner following her wedding to Prince Albert II, July 2011; more on the ornament over here!

The Queen Mother's Palm Leaf Brooch

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The Queen's personal brooch collection is so vast in part thanks to the jewelry she inherited from her mother, the late Queen Mum. Today's piece, the Queen Mother's Palm Leaf Brooch, has been a favorite of both royal women.

The Daily Diadem: The Cartier Pearl Drop Tiara

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Princess Caroline of Monaco wears the Cartier Pearl Drop Tiara along with a diamond fringe necklace for the pre-wedding gala in Luxembourg, October 2012; the tiara, which once belonged to Princess Charlotte of Monaco, is now owned by the Palais Princier Collection

The Portland Tiara Has Been Stolen

The Portland Tiara (Nottinghamshire Police)

Distressing jewelry news out of England this week: the Portland Tiara, one of the pieces most prominently worn during the 1902 coronation, has been stolen from the Welbeck Estate in Nottinghamshire.

The Daily Diadem: Princess Caroline's Sapphire Necklace Tiara

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Princess Caroline of Monaco wears a converted sapphire necklace from her collection as a tiara at the gala dinner following the wedding of her brother, Prince Albert II, and Princess Charlene, July 2011

Princess Grace's Cartier Coffee Bean Suite

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Our exploration of the jewelry box of our Magpie of the Month, Princess Grace of Monaco, continues with a look at one of her elegant suites of gold and diamond jewelry.

The Daily Diadem: The Van Cleef and Arpels Ruby Kokoshnik

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Princess Grace of Monaco, pictured with former French Prime Minister Michel Debré, wears a ruby and diamond kokoshnik-style tiara and coordinating jewels at a gala function connected with the restoration of the Palace of Versailles, November 1973; see the suite of jewels, which was borrowed from Van Cleef and Arpels for the occasion, in color here!

This Week in Royal Jewels: November 16-21

November 16-21, 2018

Today is Thanksgiving here in the USA, and to show how thankful I am for all of you, I'm bringing you this week's royal jewel review a day early! Don't forget to vote for your favorite pieces in the poll below!

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20. The Duchess of Sussex wore small bar earrings and a ring with the word "love" on her right hand for a visit to the Hubb Community Kitchen in London on Wednesday.

The Daily Diadem: The Van Cleef and Arpels Mystery Floral Tiara

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Princess Grace of Monaco wears a diamond tiara on loan from Van Cleef and Arpels for the Centenary Ball in Monte-Carlo, May 1966; the tiara is often (incorrectly) said to have been Empress Josephine's coronation tiara -- you can read more about the provenance questions over here!

Diamonds and Rubies for the Queen in London

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The Queen and the Duke of Edinburgh celebrated their 71st wedding anniversary on Tuesday, but the monarch didn't get the day off. Instead, she was out and about in diamonds and rubies in London.

The Portuguese Tiarapedia Is Here!

The King Luis Diamond Tiara (Wikimedia Commons)

Our project to update and expand the Tiarapedia, the original online encyclopedia of royal tiaras, continues this week with a look at a collection of sparklers owned by the Portuguese pretenders.

State Banquet Jewels in Belgium

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President Emmanuel Macron of France and his wife, Brigitte, are currently in Belgium for a two-day state visit. Here's a look at the sparkling jewels they wore for their first day of engagements, including the glittering state banquet!

The Daily Diadem: Princess Grace's Diamond Tiara

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Princess Grace of Monaco wears her diamond tiara for a gala performance in Paris, April 1967; learn more about the tiara here!

Jewels of Monaco's National Day 2018

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The Grimaldis of Monaco celebrated the principality's National Day on Monday, and the ladies of the family brought out some lovely jewels for both the day and evening celebrations.

Princess Theodora Is Engaged!

Princess Theodora of Greece and Denmark, ca. 2014 (Milos Bicanski/Getty Images)

On Friday, the former Greek royal family announced some exciting news: Princess Theodora of Greece and Denmark is engaged to be married!

The Daily Diadem: The Bains de Mer Tiara

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Princess Grace of Monaco wears the Bains de Mer Tiara at the gala held the night before her religious wedding ceremony, April 1956; more on the tiara here, and more on the party over here!

The Most Expensive Jewels from the Bourbon-Parma Auction

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On Wednesday, Sotheby's in Geneva sold a hundred lots of jewelry from the House of Bourbon-Parma, including impeccable pieces with eye-popping royal provenance. Here's a look at the ten highest-grossing lots from the sale!

The Daily Diadem: The Dutch Emerald Parure Tiara

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Annemarie Gualtherie van Weezel wears the pearl setting of the Dutch Emerald Parure Tiara for her wedding to Prince Carlos Hugo of Bourbon-Parma in Brussels, November 2010; more on the fascinating history of the tiara over here!

The Duchess of Cornwall's Citrine Art Deco Brooch

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The Duchess of Cornwall's brooch collection includes an incredible range of pieces, including the autumnal brooch we're featuring today: her Art Deco-style brooch set with citrines.

The Daily Diadem: Princess Margaretha's Floral Tiara

(Keystone Pictures USA/Alamy)

Princess Margrethe of Bourbon-Parma wears a diamond floral tiara loaned by her sister-in-law, Princess Margaretha of Denmark, for the annual dinner and dance of the Anglo Danish Society in London, October 1966; more on this tiara over here!

The Habsburg Fringe Tiara

Hereditary Princess Sophie of Liechtenstein wears the Habsburg Fringe Tiara (Michel Porro/Getty Images)

With a name like "the Habsburg Fringe Tiara," you'd be forgiven for thinking that this tiara was a part of the collection of the former imperial family of Austria. But this particular fringe now belongs to another group of royals: the princely family of Liechtenstein. Let's have a look at their intriguing imperial tiara, shall we?

The Daily Diadem: The Dutch Ears of Wheat Tiara

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Viktoria Cservenyak wears the Dutch Ears of Wheat Tiara for her wedding to Prince Jaime of Bourbon-Parma in Apeldoorn, October 2013; more about the tiara over here!

This Week in Royal Jewels: November 9-15

November 9-15, 2018

It's been a busy royal week, and our weekly jewel review is bursting at the seams with sparkle! Don't forget to vote for your favorites in the poll below!

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30. For Saturday's Festival of Remembrance, the Duchess of Sussex wore delicate diamond climber earrings. (More over here!)

The Daily Diadem: Empress Zita's Wedding Tiara

Grand Ladies Site

Princess Zita of Bourbon-Parma wears a diamond tiara at her wedding to the future Emperor Karl I of Austria-Hungary, October 1911; learn more about the tiara here!

Jewels for Prince Charles's 70th Birthday

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The Prince of Wales celebrated his 70th birthday on Wednesday with a day full of engagements, and the women in his life brought out some major jewelry for the occasion.

Italian State Visit Jewels in Sweden

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On Tuesday, the Swedish royal family welcomed the President of Italy to Stockholm for a state visit. Here's a look at the jewels worn on the visit's first day -- including three glittering tiaras!

The Daily Diadem: The Dutch Laurel Wreath Tiara

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Princess Carolina of Bourbon-Parma wears the Dutch Laurel Wreath Tiara on her wedding day in Florence, June 2012; learn more about the tiara over here!

Bejeweled Prince of Wales Feathers

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The Prince of Wales celebrates his seventieth birthday today, and to mark the milestone, we're devoting today's above-the-fold post to a trio of jewels featuring the symbol of his title: Prince of Wales Feathers.

The Daily Diadem: The Romanian Greek Key Tiara

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Princess Anne of Bourbon-Parma wears the Romanian Greek Key Tiara at her wedding to King Michael of Romania. June 1948; learn more about the tiara here!

The Greek Tiarapedia Is Here!

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The newest section of the Tiarapedia has officially arrived, and it's packed with tiaras that still belong to the members of the former Greek royal family. Thanks to their stellar royal family connections, these diadems are still sparkling decades after their owners were dethroned.

The Daily Diadem: The Bourbon-Parma Tiara

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Princess Irene of the Netherlands wears the Bourbon-Parma Tiara for her wedding to Prince Carlos Hugo of Bourbon-Parma in Rome, April 1964; learn more about the tiara's fate here!

Armistice Jewels at Westminster Abbey

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The British royals wrapped up their commemorations of the centenary of the World War I armistice on Sunday with one more event: a service at Westminster Abbey. The location was especially fitting, as the Abbey houses the Tomb of the Unknown Warrior, an unidentified soldier who perished on a European battlefield during the First World War.

Remembrance Sunday Jewels 2018

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This morning, the British royal family gathered in London for the annual memorial at the Cenotaph honoring fallen members of the military. This year's commemorations were held exactly a century after the end of the First World War, adding an extra touch of poignancy to the moving memorial.

The Daily Diadem: Queen Ena's Fleur-de-Lis Tiara

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Queen Sofia of Spain wears "La Buena" -- Queen Ena's Fleur-de-Lis Tiara -- for a gala dinner in Madrid in honor of the President of Mexico, June 2014; much more on the tiara over here!

Festival of Remembrance Jewels 2018

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On Saturday evening, the senior members of the British royal family gathered at the Royal Albert Hall in London for the Royal British Legion's annual Festival of Remembrance. This year, the event was even more special than usual, as it commemorated the end of World War I a century ago.

The Daily Diadem: The Mellerio Shell Tiara

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Queen Sofia of Spain wears the Mellerio Shell Tiara for a gala dinner in Madrid honoring the President and First Lady of Brazil, July 2003; more on this artistic diadem over here!

On the Block: A Trio of Bourbon-Parma Tiaras

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As next week's magnificent Bourbon-Parma royal jewel sale approaches, today we've got a closer look at the three tiaras included in the auction at Sotheby's.