Final carats tally comp., page-72

It is almost certain no one will ever know, that is how this business works because the mark-ups at each stage of the supply chain are quite outrageous at times, so transparency is closely guarded.

Once again, we are talking about a veblen good here, not iron ore. All your previous intuitions are out the window.

A Veblen good is a luxury item whose price does not follow the usual laws of supply and demand. Usually, the higher the price of a particular good the less people will want it.