How much money are gems worth?

It's a fascinating question indeed, how much monetary value can be attributed to gems? Are we talking about their intrinsic worth, determined by their rarity, color, clarity, and cut? Or are we delving into the realm of the market, where demand and supply play a pivotal role in dictating prices? Do the stories and histories associated with certain gems add to their perceived worth? And how does the global economy and trends in luxury goods consumption factor into the equation? There's certainly no one-size-fits-all answer, but let's explore the intricacies of gem valuation together.