anna foord , of elstree , hertfordshire , convinced investors to buy low grade gems overvalued by up to 2,000 per cent .
she was clutching a £ 1,000 louis vuitton bag when police arrested her while it was later revealed how she had her collection of expensive jimmy choo shoes destroyed in an attempt to conceal the fraud .
but they were arrested and foord was convicted of conspiracy to defraud and money laundering today while other members of the gang admitted similar charges .