I completely agree. My point is that, even though buying a diamond is stupid, buying a cheap knock-off is even stupider. The only point of a diamond is to show

I completely agree. My point is that, even though buying a diamond is stupid, buying a cheap knock-off is even stupider. The only point of a diamond is to show wealth, since it's a rock - a knock-off can't even show wealth, so why buy it? If you want to buy something useful instead, that's much better.