In the summer of 1999, at the age of 19, Diamantidis began his professional career when he transferred to Iraklis Thessaloniki and became a starting player there by his second season.
Diamantidis began his professional career. This was at the age of 19. This was in the summer of 1999. He transferred to Iraklis Thessaloniki. He became a starting player there by his second season.