A UK court has convicted a woman of stealing millions of pounds worth of diamonds from a high-profile London jeweller. Lulu Lakatos was sentenced to five-and-a-half years in prison after a jury at Southwark Crown Court found her guilty of conspiracy to steal.In 2016, Lakatos had secretly swapped seven pebbles for diamonds worth ￡4.2 million( €4.9 million) in an audacious heist at a luxury store in London’s tony Mayfair district. Lakatos, who was born in Romania, was part of an international gang