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The pearl has sold for £811,00.
Mother of pearls - £811,000 price for natural round pearl.
Experts report describing the pearl as 'very rare and exceptional'
The largest natural round pearl in the world has was discovered after an unsuspecting punter took an old pair of earrings into Wooley and Wallis auctioneers in Salisbury, Wilts.
Sharp eyed expert Johnathan Edwards realised that what was thought to be a relatively valueless cultured pearl may actually be an enormous natural one, and immediately sent it off to boffins in Switzerland to have it annalysed.
They confirmed that the 33.14ct natural gem is the largest round pearl ever to be offered at auction and would have taken around 100 years to develop in the oysters shell.