How to use "diamonds" in a sentence

There were ten of them, and they had red diamonds on their clothes

They do not look for sixty thousand pounds of uncut diamonds.

Then he pulls a box from the bag, opens it carefully, and looks at the diamonds.

I have all the diamonds right here

And of sixty thousand pounds of uncut diamonds.

Six rings bedecked each of his hands, some with diamonds, some with emeralds, one with a large ruby, one with an even larger opal