“Tallulah Brown said it was a “moment of horror” when she saw the gem was missing as she traveled with her fiance Tom Allott”
“The playwright and screenwriter said she alerted the train guard and he called for help over the loudspeaker.”
“Miss Brown, from Suffolk, said a man found the stone by his feet.”
View the whole story here: https://www.bbc.com/news/uk-england-hampshire-50039363