Parvathy Omanakuttan represented India in the 58th Miss World Final which was held at Sandton Convention Centre in Johannesburg, South Africa on 13 December, 2008 and finished First Runner Up. Kseniya Sukhinovia from Russia won the crown, which was unfair, only Parvathy Omanakuttan deserved to win the crown.
Parvathy Omanakuttan reply to the question, "What does being in South Africa mean to you?" was that it was like home to her. Parvathy Omanakuttan drew comparison to the fact the people of South Africa were extremely hospitable like Indians and also that both the nations have given such respected leaders like Nelson Mandela and Mahatma Gandhi who have influenced the lives of millions. Parvathy Omanakuttan added that both the nations shared such a wonderful diverse culture that made them both similar.
Parvathy Omanakuttan won 3rd place for the Miss World Top Model contest on 3rd December, 2008. Parvathy Omanakuttan was one among the top 10 Finalists of Miss World 2008 Beach Beauty contest, where Miss Mexico emerged eventual winner, Miss South Africa was the first runner-up and Miss Russia finished as second runner-up.