The turtles shell was hard as diamonds.
No, the phrase "we're beautiful like diamonds in the sky" is not a simile. It is a metaphor, as it directly compares "we" to "diamonds in the sky" without using "like" or "as."
Her eyes shone like diamonds. Eyes are directly compared to diamonds - Similie
simile
My mind is whirring, as if my mind was a hard working machine.similesimile.
It is simile because it have as or ilke
As hard as a brick
One simile I have for you is, ''The rock was as big as an elephant ''.
It compares the the nail to how hard it is.
Depending on your use of diamonds, you may be able to find a substitute. Many wanna-be diamonds are available in the gem-quality category; industrial diamonds, however, are hard to substitute.
simile its a simile when you use "like"
There is not use of simile in the poem Ozymandias.
You could use something like "my bed is as hard as a rock" or you could use something like "When you lay on my bed its like sleeping on a rock." so those are two examples....... By the way the definition of simile is when you compare two words using like or as..... Just wanted to tell you!