The most impressive tiaras of the house of Monaco

Ancient Art & Jewelry
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17 Video Views·Dec 7, 2025
While the Moregasque-Rouen family does not possess an official crown, its prominent figures
such as Grace Kelly, Princess Caroline and Princess Charlene are renowned for their remarkable
jewellery collections. Princess Grace, in particular, owned at least three tiaras, occasionally
adorned by Princess Caroline and Princess Stephanie, in subsequent years. However, the
most renowned pieces have been cherished in the family for an extended period and were
the frequently worn, especially by Princess Caroline, prior to her marriage to the Prince
of Hanover. Before we delve into the captivating history
of these extraordinary tiaras, I kindly ask for your support by clicking the like and
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The Bain-de-Mère Tiara
Crafted by Cartier, the Bain-de-Mère Tiara takes its name from the esteemed Société
des Bains-de-Mère, the company that presented it to the Princess Grace of Monaco. Comprising
three ruby and diamond elements set on a delicate, diamond studded frame, this versatile tiara
allows for the removal of the three upright elements, which can then be worn as brooches
or transformed into pendants for a necklace. The rubies are said to be interchangeable
with diamonds, enhancing the piece's adaptability. Following Grace's undyingly demise in 1982,
the Gribaldi family retained ownership of the tiara. Although Grace Kenley remains the
sole individual captured wearing the piece as a tiara in historical photographs, today
it is more commonplace to witness her daughter Caroline and Stephanie showcasing the brooches
in various artistic arrangements. Personally, I would really like to see this
tiara on the current Princess Charlene of Monaco, Princess Grace's diamond tiara.
Adorned with 214 warden-cut diamonds and 42 braquette diamonds meticulously set in a
freestore arrangement, the diamond tiara made its debut on Princess Grace shortly after
her marriage. Despite Princess Grace donning an array of magnificent jewels throughout
her lifetime, the diamond tiara along with her Bains-de-Mère tiara stood as the only
two tiaras personally owned by her. Notably, the diamond tiara had a special place as her
most frequently worn tiara, gracing occasions ranging from banquets to balls and weddings,
thereby becoming an iconic symbol of her regal elegance and refined taste.
The Ocean Tiara
Crafted by Van Cleef and Harpels, the appointed supplier to the Principality, the Ocean Tiara
was commissioned by Prince Albert in anticipation of his 2011 wedding to Princess Charlene.
This exquisite tiara pays homage to her aquatic roots as a swimmer who transitioned from the
shores of South Africa to the coastal rim of Monaco. The tiara is ingeniously composed
of circular elements that artistically evoke the undulating water and frothy waves of the
ocean. Notably, it comes as a versatile set, featuring a pair of matching earrings and
the option to be worn as a necklace. Despite its bespoke design for Princess Charlene,
sightings of her wearing the Ocean Tiara have been infrequent. One notable occasion was
the Rose Ball in 2011, where she chose to wear it as a stunning necklace, showcasing
the tiara's adaptability. While the earrings have made appearances on a few occasions,
they have not emerged as clear favourites in her collection.
Princess Charlene's Diamond Foam Tiara
Fashioned as a spectacular spray of 60 carats of diamonds set in white gold, the diamond
foam tiara boasts a maritime theme, reminiscent of Princess Charlene's Ocean Tiara, a fitting
choice for the Olympic swimmer. The centrepiece, a remarkable 8-carat diamond, adds to the
tiara's opulence. This versatile piece can be disassembled to create a large or smaller
brooch or even a petite hairpiece. Notably, it offers the flexibility to be worn on either
side of the head, allowing for various styling options.
In preparation for the 2011 Nubtials of Prince Albert II of Monaco and Charlene Wittstock,
several prominent jewellery houses were invited to submit design sketches for jewels intended
for the new princess. The chosen design, crafted by Laurence Balmer, was aptly named the Diamond
Foam Tiara, while occasionally referred to as the Balmer Agrate Tiara. The princess was
involved during the process of its creation, with Balmer releasing footage of her trying
it on.
PRINCESS GRACE'S DIAMOND SWAG TIARA
Showcasing a series of striking diamond swags adorned with large pear-shaped diamonds, the
origins of Princess Grace's Diamond Swag Tiara remain shrouded in mystery. While its
prominence is unknown, the design bears resemblance to pieces crafted by renowned jewellers such
as Cartier or Van Cleef and Arpels from the same period, and it may have originally been
a necklace. Princess Grace first adorned the tiara for a series of portraits in 1956, shortly
after her marriage, complementing it with her Van Cleef and Arpels necklace.
The ownership status of the Diamond Swag Tiara is uncertain, and unlike many jewels she borrowed
from jewellers, it remains unclear whether it was personally owned by Princess Grace.
However, she notably wore the tiara a few years later at the Baal Des Petites Lettes
Blancs in 1965, paired with her Van Cleef and Arpels earrings. Since then, the tiara
has not been publicly worn or displayed, raising the possibility that it may no longer exist.
Cartier Pearl Drop Tiara
The intricately designed tiara, featuring a composition of diamonds, golds, and platinum
adorned with sizeable pearl drops suspended and trembled from elaborate arches, was commissioned
by Princess Charlotte of Monaco and meticulously crafted by Cartier in 1949. This significant
year aligns with the ascension of her son to the Principality's throne.
Photographs of the tiara showcase only two Grimaldi women, Princess Charlotte and her
granddaughter, Princess Caroline. The latter has notably worn the tiara for major white
tie events, and it made a poignant appearance in a series of Casiraghi family portraits.
Caroline most recently adorned the tiara during the 2012 pre-wedding dinner for Hereditary
Grand Duke Guillaume of Luxembourg. Subsequently, it has predominantly featured in travelling
museum exhibitions dedicated to Princess Grace.
I wonder if we'll ever see the current Princess of Monaco take this gorgeous unknown piece
out for a spin.
Princess Caroline Sapphire Necklace Tiara
This convertible jewel, originally designed as a necklace and transformable into a tiara,
is adorned with seven large sapphires and a meticulous arrangement of brilliant cut
and baguette-cut diamonds. In possession of Princess Caroline of Monaco since her youth,
this exquisite piece is believed to be gifts from her esteemed parents, Princess Rainier
and Grace of Monaco. The princess has consistently showcased this jewel on numerous occasions,
always opting to wear it as a necklace. At the gala that would be held on the night of
her brother's wedding, Prince Albert, the princess would wear sapphires as a tiara for
the first time.
The Diamond French Tiara of Monaco
Charlotte had been the illegitimate daughter of Louis II of Monaco. In order to prevent
a succession crisis, Louis adopted Charlotte as his legal heir in 1919. Charlotte is reputed
to have received this French tiara from her father on her wedding to Pierre de Polignac
in 1920. Most believe that it came from Cartier, but there is a chance that it may have been
inherited by Louis from his mother, Lady Mary Victoria Hamilton, who was Princess of Monaco
from 1869 to 1880. This newspaper report from the time mentions that one of Lady Mary's
wedding presents was a large brilliant French necklace containing 1,200 brilliants or diamonds.
The tiara is often confused with the diamond French necklace worn by her granddaughter
Princess Caroline. However, Caroline's French necklace features interspersed spoon-shaped
spikes whereas Princess Charlotte's tiara does not. It has also been noted that Charlotte's
tiara features more diamond bars than Caroline's necklace.
Brunswick Tiara
This scrolling diadem with three large diamonds in the centre and a laurel red top originated
with Empress Josephine of France was bought by the people of Brunswick and given to Prince
Ernst August of Hanover, later Duke of Brunswick, as a wedding gift for his bride, Princess
Victoria Louise of Prussia, in 1913. In 2004, Princess Caroline wore the Brunswick tiara
at the wedding of Crown Prince Frederick of Denmark. She attended with her husband, Prince
Ernst August of Hanover, who is Princess Victoria Louise's grandson.
The Hanoverian Floral Tiara
Composed of an antique floral motif, this tiara is an heirloom of the Hanover family,
probably coming from diamond floral elements belonging to Princess Mary of Hanover, 1849-1904.
It was worn by Princess Caroline at the pre-wedding ball of Crown Prince Frederick of Denmark
in 2004. In July 2017, Ekaterina Malysheva wore this tiara when she wed Prince Ernst
August of Hanover, stepson of Princess Caroline, as did Alessandra de Osma when she wed Prince
Christian of Hanover in Lima. Princess Ekaterina also wore the tiara at the wedding ball of
Prince Ludwig and Princess Sophie of Bavaria in 2023.
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