You've been told conflicting things about the material of the pendant; what will you do no...

The professor said that it's a diamond and I respect his professional opinion. No need to investigate further.

The professor said that it's a diamond, but I want a second professional opinion, just to be sure.

I don't agree with the professor; the junior specialist said it might be something else. I want a second opinion.

Ah, who cares?

You've been told conflicting things about the material of the pendant; what will you do now?