Dogora
宇宙大怪獣ドゴラ (original)
The Earth is attacked by a giant jellyfish monster from outer space that, for some reason, has a sweet tooth for diamonds.
Starring Robert Dunham, Yōsuke Natsuki, Yôko Fujiyama, Hiroshi Koizumi, Susumu Fujita, Jun Tazaki, Nobuo Nakamura, Seizaburō Kawazu, Akiko Wakabayashi, Hideyo Amamoto
It's a crime and horror movie, and has a rating of 5.6 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Sweden.