The Queen Mother was gifted the Triumph of Love as part of a parure which included a necklace, brooch and earrings by King George V when she married his son, the then Duke of York, in 1923. Queen Mary had originally purchased the set from Garrard but was never photographed in it.
The Duchess of York did wear the piece, but it was never one of her favourites, and she gave it to her daughter Princess Margaret as a 21st birthday present in 1951.
Margaret did love it, and wore it to many white-tie events along with the rest of the set.
It is not known where the tiara is now, with speculation that like the Lotus Flower, it was returned to the royal collection rather than left to her children.
It gets the name The Triumph of Love thanks to the lover’s knots and laurel wreaths in the design, as well as the turquoise, which is a symbol of love.
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Triumph of Love: Margaret, seen with Richard Burton & Elizabeth Taylor, often wore the parure
The gold and platinum structure is covered in delicate diamonds, and is completed with Persian turquoise stones, which are known for their high quality.
Originally a kokoshnik, Elizabeth had it altered by removing the top row of diamonds.
Speaking about the piece to Epress.co.uk, Helen Doyle, Appraiser Prestige Pawnbrokers of Channel 4’s Posh Pawn, said: “The Triumph of Love Tiara gets its name from the combination of turquoise, the symbol of love, the delicate diamond set gold and platinum composed of laurel wreathes stand for triumph.
“This tiara which is also part of a parure including a necklace, earrings and brooch is a truly romantic piece.
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“It was made in 1900 by Garrard and was gifted to Lady Elizabeth Bowes-Lyon in 1923 from her father in law, King George V.
“The gold and platinum tiara is set throughout with old cut diamonds and turquoise cabochons.
“I estimate the total diamond content to exceed 80cts and have a value of over £250,000.”
Triumph of Love: The Queen Mother, seen in 1935, did not wear the tiara often before passing it on
How many tiaras are there in the royal collection?
There are dozens of priceless tiaras owned by the Queen and other members of the Royal Family.
Many of the British aristocracy also own tiaras, wearing them at state banquets and on wedding days.
As well as tiaras currently in existence, there are a couple which have been dismantled to make other diadems.
This includes The Surrey Fringe and The Nizam of Hyderabad.
Some tiaras have formed part of iconic moments in the history of the Royal Family.
The Cartier Halo for instance, was worn by Kate Middleton on her wedding day to Prince William in 2011.
Similarly, the Queen Mary Diamond Bandeau was admired around the world thanks to it being the choice of Meghan Markle for her wedding to Prince Harry in 2018.
And it is the Lover’s Knot that is most often seen today, as it is a favourite of the Duchess of Cambridge.It was closely associated with Diana, Princess of Wales during her marriage to Prince Charles, so holds special significance for Kate.