Sentence examples similar to a valid provenance from inspiring English sources

If you think about the journey of a diamond, from when it's mined, sorted and sold, to when it is mounted and displayed at a trusted retailer, say Tiffany's or Harrods, there is so much opportunity to exchange a valid diamond for something of different provenance, like a blood or conflict diamond.

A valid enough excuse.

That is a valid point.

Is that a valid argument?

It's a valid question.

I had a valid passport.

"A valid point," Alec said.

It's a valid point.

Chernick makes a valid point.

A valid point to make.

They make a valid point.