Write a sentence based on the provided input that captures the essence of what happened.
A group of researchers have discovered an astonishingly large diamond in the crater of an asteroid.
Scientists unearthed a massive diamond within an asteroid's crater through diligent exploration.
Complete the following task based on the instruction and optional input provided.### Instruction:
Write a sentence based on the provided input that captures the essence of what happened.

### Input:
A group of researchers have discovered an astonishingly large diamond in the crater of an asteroid.

### Output:
Scientists unearthed a massive diamond within an asteroid's crater through diligent exploration.