Diana was noticed with her small role in the TV serial called Humsafars.
In 2015, she played the role of Jaswinder Khurrana a.k.a Jassi in Sony TV’s serial Parvarrish Season 2.
She was seen in the Cadbury chocolate TV commercial.
Khan has also featured in Hindi films like “Ghayal Once Again,” “Mehroom” and “Kabaddi.”
In 2019, she portrayed the role of ‘Sharaya’ in the Colors TV’s “Bahu Begum.”
It was rumoured that Diana got into a catfight with the television actress, Aanchal Munjal, during the shooting of the film ‘Ghayal Once Again.’ Some sources revealed that the fight was initiated because Diana and Aanchal had to share the same vanity van.