The Fort magistrate Rashmi Singappuli handed the 32-year-old man a two-year jail term suspended for five years. If he fails to pay the fine he would be jailed for an year.
Three days after he swallowed the diamond it was found that it was a fake while his accomplice was able to flee with the real diamond from the exhibition in September.
The man was taken to a hospital here for X-rays and given laxatives. He has spent time in custody since September 5.
Police said the accomplice remains untraced.
