The film was originally scheduled for a December release, but was pushed back to summer 2013 earlier this month.
Luhrmann insisted during an appearance at Samsung's 'Meet the New Way' launch party that he is still excited about the film in spite of the delay.
"I will tell you this, I'm just very nourished by just working on it," Luhrmann told Vulture. "I'm just thrilled.
"Right now I'm working on music," he continued. "You can imagine how involved I am in the music alone."
The Great Gatsby stars Leonardo DiCaprio as the titular character from F. Scott Fitzgerald's novel. Tobey Maguire, Carey Mulligan, Joel Edgerton, Amitabh Bachchan and Isla Fisher also appear in the movie.
Watch the trailer for The Great Gatsby below: