It seems strange to form an analogy between a manufactured diamond and a forged painting. A painting is valuable because of the artist who created it, while a

It seems strange to form an analogy between a manufactured diamond and a forged painting. A painting is valuable because of the artist who created it, while a diamond is just another carbon crystal with an unremarkable history. Aluminum was once more valuable than gold, but the Hall-Héroult process didn't spawn a market for certificates of authenticity.