If the value is in perfection. Why would I not pick one that is bigger, has less flaws and less impurities. It is like would I prefer natural rain water or artificially purified water without microplastics and pfas and so on... My pick should be clear.

"When you buy a natural diamond, you're also buying a risk of cancer and various diseases, because all natural diamonds contain trace amounts of thorium and uranium. This is due to the fact that diamond crystallization occurs deep within the Earth's mantle, where these radioactive elements are naturally present