Considering the size of the stone and the legacy of Diana, this necklace could now be worth up to £100million.
This would make it one of the most expensive pieces of royal jewellery around today.
Sapphire’s have reportedly been used to protect against negative energies, as well as calm the mind, strengthen intuition, and invite spiritual clarity.
Perhaps this is why Diana wore the piece with her ‘revenge dress’ that day.
Leading diamond expert, Maxwell Stone, told Express.co.uk: “Princess Diana was a clear fan of sapphires, however, this stone is in a league of its own.
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