Gold coured blue stone ring with fairy on it

My sons gorlfriend lost a gold coloured ring last night tueaday march 26 At 10.30 most likely in's the street across from kennedys pub and the permanent tsb in drumcondra. It's got a blue stone with a fairy on it . It's only a cheap ring ie €5 type ring but of huge sentimental value. If anyone can help will you let me know . Thanks Cathy .