It either originally referred to an uncut diamond, or the vision of a diamond surrounded by regular rock. This phrase is used metaphorically either to describe someone or something that has untapped potential, or to describe someone or something that sticks out, something that shines above and beyond everything else around it. Kind of like the pearls before swine thing.

I knew I liked you the moment I sat down with you and got to know you.
Down-to-earth, easygoing, agreeable
the one in a million willing to talk it over
slow it all down
while the rest remain stuck up, rude, cold-hearted, superficial
in their own little bubbles

and that's why they have each other
and I have you

Log in or register to write something here or to contact authors.