Marjorie Merriweather Post Most Famous Jewellery Spectacular Collection.

Relics & Retro Gems
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12 Video Views·May 23, 2026
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Video Summary
AI GeneratedMarjorie Meriwether Post was one of the wealthiest women in U.S. history and a legendary connoisseur of fine jewelry. Her vast collection of over 200 pieces featured royal provenance and masterpieces from houses like Cartier. Many of her most prized acquisitions, including royal diamonds and rare emeralds, were eventually donated to the Smithsonian Institution or preserved at Hillwood.
Approximately a century ago, at the age of 27, Marjorie Meriwether Post ascended to become
the wealthiest woman in the United States. Renowned for her impeccable taste, she was
celebrated for her art collections, unparalleled style, lavish jewels, and legendary entertaining
skills. Meriwether Post spared no expense when it came to acquiring jewellery, amassing a collection
of over 200 exquisite pieces throughout her lifetime, many with royal provenance.
So, let's explore the most famous jewellery of Marjorie Meriwether Post.
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Post Emerald Necklace
Crafted with the meticulous artistry of Cartier in 1929, this Art Deco Indian-style necklace
stands as a testament to innovation. A symphony of 24 baroque-cut emerald drops,
gracefully ensconced in platinum, each crowned by a smaller emerald bead,
dances amidst pave-set diamond links, culminating in an elaborate clasp that
whispers of grandeur. The verdant emeralds were sourced from the storied mines of Colombia.
Cartier's visionary fusion of Indian influences and precious gemstones during the Art Deco era
marked a zenith of creativity where tradition met avant-garde innovation. Emeralds, sapphires,
and rubies ascended to the zenith of popularity during that era.
This resplendent masterpiece, once graced by the illustrious Marjorie Meriwether Post,
heiress to the Post's serial fortune, and a luminary collector of French art,
now finds its place of honour within the hallowed halls of the National Gem Collection
at the Smithsonian. Napoleon Gifts
Marjorie possessed a few remarkable jewellery pieces, among them those gifted by Napoleon
to his second wife, Empress Marie Louise. The Napoleon Diamond Necklace, commissioned in 1811,
and crafted by the skilled hands of Hégien Neto and Sons, stands as a testament to Napoleon's
affection. Presented on the occasion of the birth of his son, Napoleon II, this exquisite
necklace features a sophisticated blend of silver and gold, embellished with a total of 234
dazzling diamonds, weighing an estimated total of 263 carats. As for the diadem, it served as
a wedding gift to Empress Marie Louise to commemorate their union. Originally commissioned
in 1810 with emeralds adorning its design, the diadem underwent a significant transformation
in 1953. Acquired by the esteemed jewellery house Van Cleef and Arpels, the emeralds were
removed from the diadem and sold individually, a decision some may find questionable. Instead,
turquoise was introduced as a replacement, altering the diadem's original aesthetic.
Marjorie Meriwether Post generously demoted both the necklace and the diadem to the Smithsonian
Institution, with the necklace gifted in 1962 and the diadem in 1971,
ensuring their preservation for generations to come.
At the youthful age of 27, Marjorie Meriwether Post inherited her father's immense wealth and
the Postham Cereal Company. Amidst her extravagant social pursuits,
Miss Post garnered fame as a collector and connoisseur of precious stones and jewellery.
With a profound admiration for European sophistication, she held Cartier in the
highest regard, deeming it the epitome of French elegance. Consequently, Cartier crafted numerous
bespoke pieces exclusively for her. Crafted in 1937, the platinum, diamond and sapphire necklace
serves as a magnificent testament to Cartier's adaptability and Marjorie Post's discerning taste.
Personally overseeing its creation, she instructed Cartier to merge two existing diamond and sapphire
bracelets into this opulent necklace. Its centrepiece, adored with a large cushion-shaped
sapphire encircled by cascading diamonds, can be detached and worn as a striking brooch independently.
Marie Antoinette Diamond Earrings
As mentioned earlier, Marjorie had a penchant for collecting French art and jewellery,
which led her to possess not only treasures associated with Napoleon,
but also jewellery once owned by the famed Marie Antoinette. Among these treasures, a pair of
exquisite diamond drop earrings take centre stage, initially presented by Louis XVI as a lavish gift
to Marie Antoinette. These resplendent earrings boast pear-shaped diamonds with a combined weight
of approximately 34.6 carats. Their journey after Marie Antoinette's tragic fate during the
tumultuous French Revolution adds an intriguing layer to their history, as legend has it that
they eventually came into the possession of Empress Eugénie through Napoleon III.
Following Marjorie's acquisition of these earrings, she generously donated them to the
Smithsonian Institution. Today, housed in the National Museum of Natural History,
they continue to captivate all who behold their radiant beauty.
The Romanov Nuptial Crown
The grand nuptial crown worn by Romanov imperial brides was made in 1840 using diamonds taken from
There are 320 larger diamonds weighing 182 carats total, and 1,200 smaller diamonds totalling 80
carats. The stones are attached to a frame covered in pink velvet, with flaps at the base that allow
it to be pinned in the bride's hair. In the 19th and early 20th centuries, each Romanov bride wore
the crown for her wedding ceremony. At some point after the Revolution, the crown was acquired by
Marjorie Meriwether Post. It remains part of the collection at Hillwood in Washington, D.C.
Blue Heart Diamond
The Blue Heart Diamond, discovered in 1908 at the Premier Mines, South Africa,
is a 30.62 carat heart-shaped blue diamond. Faceted by a tannic acnaeon, in 1910,
from a 100.5 carat rough piece, it was purchased by Pierre Cartier and set into a Lily of the Valley
necklace sold to the Unzu family of Argentina. In 1953, Van Cleef and Arpels acquired it
and later sold it to Baron Hans Heinrich Thyssen-Bornemisza. Harry Winston bought it in
1959, resetting it into a platinum ring surrounded by 25 diamonds. Marjorie Meriwether Post, who was
the last private owner of this piece, then gifted it to the National Gem Collection in 1964.
Despite being two-thirds the size of the Hope Diamond, its heart-shaped cut and vivid blue
colour make it a cherished gem. Emerald and Diamond Pendant Brooch
One of the standout treasures in Marjorie Meriwether Post's extensive collection
is an Emerald and Diamond Pendant Brooch crafted by Cartier in the 1920s. Remarkably,
this stunning piece was a stock item in the Cartier showroom when Post acquired it.
Adorned with over 250 carats of intricately carved Indian emeralds from the Mughal period,
including a large emerald bearing a 17th-century Mughal motif of a flower
with a Persian inscription, the brooch is a true marvel of craftsmanship. Cartier's
pioneering use of platinum in jewellery allowed for minimal metal visibility,
showcasing the exquisite calibre cut stones and smaller fluted hanging emeralds with exceptional
clarity. Post occasionally paired this brooch with a similarly styled carved emerald necklace
that has been already showcased today.
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