Nancy Astor’s Cartier Tiara Heads to Auction
The turquoise and diamond tiara hasn’t been on the market since it was purchased by Lord Astor in 1930.

The tiara, circa 1930, is a highlight of the “London Jewels” sale, slated for June 5 at its Bond Street location.
The sale will be the first time the “exceptionally rare” tiara, owned by Nancy, Viscountess Astor (1879-1964), has appeared on the market since it was purchased by her husband Lord Astor in 1930, said Bonhams.
Born Nancy Witcher Langhorne in Danville, Virginia, the American-born British politician was the first woman to take her seat in Parliament, serving from 1919 to 1945.
She moved to England in 1905 and met American-born Waldorf Astor, 2nd Viscount Astor (1879-1952), on the same trip across the Atlantic from America. Her husband, the great-great-grandson of American fur magnate Jacob Astor, was also a member of Parliament and the proprietor of The Observer, a London Sunday newspaper.
The pair married in 1906 and moved into Cliveden, their estate in Buckinghamshire, England, gifted to them by Astor’s father.
Nancy Astor was a prominent hostess for the British elite while also advocating for temperance, welfare, education reform, and women’s rights in parliament.
Her turquoise and diamond tiara will be “the star of the sale,” said Jean Ghika, Bonhams global head of jewelry.
The tiara is set throughout with old brilliant, single, and rose-cut diamonds, with a principal old brilliant-cut diamond at the center and three fluted turquoise plumes set with brilliant and single-cut diamond stems. Each side of the tiara features a radiating fan-shaped turquoise panel design.
The Cartier tiara has a pre-sale estimate of £250,000 to 350,000 ($332,300 to $465,300).
“Cartier has long been recognized as the name behind some of the world’s most important jewels, and the Astor turquoise and diamond tiara dates to a period when Cartier London was at the height of their creative prowess,” said Ghika.
The design is “truly unique,” said Ghika, noting its distinctive plumes, leaves and scrolls carved in turquoise were inspired by Egyptian, Indian, and Persian motifs.
The French jeweler explored these motifs throughout the early 20th century, she said, and its Eastern-inspired jewels were “hugely fashionable.”
“With impeccable provenance and a compelling marriage of Western and Eastern influences in the design, the tiara is exceptionally rare, and we feel honoured to have the opportunity to present it for sale for the first time in nearly a century.”
The tiara was first recorded in the Cartier archives in 1929 when Cartier requested that English Art Works—the workshop within the 175 New Bond Street store that served as the main atelier for Cartier London—add the carved turquoise plumes and leaves to an existing diamond bandeau in 1930.
The completed tiara is listed in Cartier’s records in November 1930, said Bonhams, and was sold a month later to Viscount Astor.
In 1931, Lady Astor notably wore the tiara to the premiere of “City Lights” at the Dominion Theatre in London.
In the early 1930s, Lady Astor loaned the tiara to her sister Phyllis Langhorne Brand for a court presentation at Buckingham Palace.
Nancy's brother-in-law, the Hon. Robert Henry Brand, commissioned Cartier to produce a similar turquoise and diamond tiara in 1935.
The tiara belonging to Lady Astor’s sister is currently on display at the V&A museum’s Cartier exhibition.
Other highlights of the upcoming sale include a toi et moi ring set with a 2.05-carat fancy pink diamond and a 1.42-carat fancy bluish-green diamond. The pre-sale estimate is £180,000 to £250,000 ($239,300 to $332,300).
A Schlumberger for Tiffany & Co. diamond and gem-set leaves necklace, circa 1980, is also up for sale.
The articulated collar features pavé-set diamond leaves entwined with gold stems, with gold bows throughout and a gem-set butterfly.
The signed piece has a pre-sale estimate of £40,000 to £60,000 ($53,200 to $79,800).
Another Cartier piece will also hit the auction block. The citrine and diamond clip brooch, circa 1930, features the oval “buckle” motif set with circular-cut citrines and old brilliant-cut diamond accents. The central pin is channel-set with calibré-cut citrines.
The signed piece has a pre-sale estimate of £15,000 to £20,000 ($19,900 to $26,600).
For more information on the auction, visit the Bonhams website.
The Latest

The deal closed this week, which means Instore will produce the JA NY show slated to take place this fall.

The company’s jewelry sales were up in Q4 and the fiscal year, with Richemont raising prices in part because of the cost of gold.

The “Bauble” capsule collection of colorful one-of-a-kinds includes our Piece of the Week, the “Bauble” earrings, featuring rose zircon.

As gold prices rise, today’s retailers are looking for alternatives at prices that will appeal to wider audiences.

The updated catalog has a newly dedicated section for gift wrapping.


Everett covers colored stones’ surging popularity, the mellow return of the “Mellon Blue,” and his “The Devil Wears Prada” doppelgänger.

Fourth-generation CEO Lilly Mullen wants to emphasize experience, connection, and personalized service.

With the trade and customer trust in mind, GIA® developed NextGem™ – on-demand training designed specifically for retail.

The new award, created in partnership with Henne Jewelers, honors the late designer’s legacy through supporting jewelry education.

The addition of the diamond-producing countries as nation affiliated members broadens the federation’s global representation, WFDB said.

The NYPD is warning elderly New Yorkers to keep their jewelry hidden when walking outside to avoid being a target.

Designer Viviana Langhoff has realized her dream of owning a space for her Chicago jewelry store that looks and feels like her brand.

The sessions will run from Friday, May 29, to Sunday, May 31, with one being a live taping of an episode of Couture’s podcast.

Former Stephanie Gottlieb Fine Jewelry executive Morgan P. Richardson is joining the lab-grown diamond jewelry brand.

The $400 pocket watch is a blend of Audemars Piguet’s iconic eight-sided Royal Oak and Swatch’s unserious Pop watches from the ‘80s.

With gold prices on the rise, the “Modern Electrum” collection uses an alternative, non-tarnishing metal alloy composed of gold and silver.

Fruchtman Marketing has new owners, Erin Moyer-Carballea and Manuel Carballea, and will relocate to Miami.

In a column for the 2026 State of the Majors issue, Smith lists 10 time-tested principles about sales that still ring true.

In a column for the 2026 State of the Majors issue, Golan spells out how the growing economic divide in the U.S. is reshaping the market.

The “Limitless Expansion of Joy and Hope” collection evokes summer through colored gemstones and motifs of butterflies and florals.

The jewel, circa 1890, is from the late Victorian era and was owned by descendants of the last high king of Ireland.

This is what the nine recipients plan to do with the funds.

The discussion, "Rebuilding the Jewelry Workforce," will take place on Saturday, May 16, in Troy, Michigan.

The jewelry industry is reassessing its positioning as Gen Z reshapes the retail landscape and lab grown continues to gain market share.

Sponsored by A Diamond Is Forever

The next generation of lapidarists are entrepreneurial, engaged online, and see the craft as a means for artistic expression.

It was the second auction appearance for the fancy vivid blue-green diamond, which sold for $7.8 million at Christie’s Geneva 12 years ago.

























