On the other hand, with diamonds, I'm guessing there are regulations ensuring synthetic diamonds are labelled differently from natural. With natural horns being

On the other hand, with diamonds, I'm guessing there are regulations ensuring synthetic diamonds are labelled differently from natural. With natural horns being illegal, who's going to know? This might be harder for authorities to identify real horn products, but it'll also make it harder for consumers. Hopefully the authorities don't decide to solve the former problem with some sort of certification that can also be used to solve the latter.