Dogora

When several TV satellites launched by the Electric Wave Laboratory go missing above Japan in Earth's orbit, it is found out that they have inadvertently collided with unidentified protoplasmic "space cells" of unknown origin. Meanwhile, Inspector Komai's investigation of these strange events led him to the crystallographic Dr. Munakata. The process of tracking down the self-proclaimed diamond broker Mark Jackson.
The identity of the monster was reported by the Space Planning Committee at the U.N. that the monster is a space cell that's been mutated by massive amounts of radiation from the satellites to eat the diamonds to absorb carbon-based materials. The military continued to unleash their artillery at the alien creature.