The Supreme Son-in-Law
The owner, Zaffino, would bring in a batch of raw gems from abroad every month, attracting a great deal of attention every time.
Because there were many variables in the raw ore, no one knew what was inside. Perhaps there would be a beautiful uncut gem inside that was worth more than ten times the buyer's initial investment. Perhaps the stone was merely a plain rock, or a corroded gem worth nothing. In a way, this was a form of high-risk gambling.
A single cut spelled the difference between massive riches and terrible losses.