Why Princess Diana’s iconic sapphire choker could be worth a staggering £100million

Princess Diana stepped out on June 29, 1994, during a difficult time for her marriage with Prince Charles. That same night, Prince Charles had addressed the breakdown of the Wales’ marriage in a high-profile documentary. So Diana’s choice of outfit that night was widely dubbed the ‘Revenge Dress’, and the ensemble was tied together with a staggeringly expensive necklace.

Diana wore an off-the-shoulder black gown for the fundraising dinner for the Serpentine Gallery in Kensington Gardens that evening.

She accessorised her outfit with a clutch bag, sheer black tights and a pair of black heels.

But it was perhaps the Princess’ diamond and sapphire pearl choker that drew the most attention that evening.

Many members of the Royal Family in recent decades have altered existing jewellery items to create new pieces.

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“It was offered in a malachite box emblazoned with the Saudi national symbols: crossed swords and a palm tree.”

Diana later had some of the jewellery pieces redesigned to include a choker.

Ms Michell added: “These are described as Burmese Sapphires and diamonds in a waved sunburst design, which were designed and made by Asprey.

“Additionally, the bracelet, necklace and watch are also set with modern round brilliant diamonds.

“The largest sapphire is set in the necklace, potentially weighing up to 50 carats!

“Over time, certain pieces were adapted, such as the ring and watch which were made into a choker and worn as a headband by Diana, who often re-invented her jewellery.”