They’re not especially rare, not even gem-quality ones. For several generations, almost every married woman in a western country had a diamond on her finger of some size. They found plenty of them to serve that market. The mines created artificial scarcity by colluding together.
If lab grown had never happened, diamond mines might not have been able to serve industrial customers. Industrial customers don’t care how it looks as long as it cuts, and so lab grown has been good enough for decades. Thus, you can get a two-pack 4.5 inch diamond angle grinder wheel at Home Depot for around twenty bucks.
They’re not especially rare, not even gem-quality ones. For several generations, almost every married woman in a western country had a diamond on her finger of some size. They found plenty of them to serve that market. The mines created artificial scarcity by colluding together.
If lab grown had never happened, diamond mines might not have been able to serve industrial customers. Industrial customers don’t care how it looks as long as it cuts, and so lab grown has been good enough for decades. Thus, you can get a two-pack 4.5 inch diamond angle grinder wheel at Home Depot for around twenty bucks.