What is the average return on diamonds?

Have you ever wondered about the potential profitability of investing in diamonds? It's a common question among those seeking alternative investment opportunities, but what exactly is the average return on diamonds? While the market for diamonds can be volatile and influenced by a variety of factors, it's important to understand the historical trends and current landscape in order to make an informed decision. So, let's delve into the question: what is the typical return investors can expect when investing in diamonds?