In the cadet kumite female -47kg, Sadeghi defeated her rival from Hungary 5-0.
Sadeghi also defeated an athlete from Slovakia 4-0.
The Iranian representative beat Austrian participant 4-1 and defeated Italian athlete 4-1 in the semi-final.
In the final match, Sadeghi lost to Japan’s Ugai Mizuki 5-0 and claimed a silver medal.
The championship hosted 1441 athletes from 91 countries in Jakarta, Indonesia.