While you and your friends are oohing and aahing over your beautiful new solitaire pearl ring, the family and friends of that pearl are having the most horrific experience of their entire lives. You know how barbarians used to put the heads of their enemies on stakes? Yeah. This is kinda like that. Enjoy!
It starts with a grain of sand. The mollusk secretes calcium carbonate to protect itself from the invading debris. Layer after layer, it builds upon itself until the constant irritation subsides. The end result is a pearl. So if we've learned anything from this story, ladies, it's that you should nag your loved one incessantly until they buy you something shiny.