I don't think Americans can benefit because govt taxes your income abroad.
Give up American citizenship. Like Tina Turner and probably others did before here.I don't think Americans can benefit because govt taxes your income abroad.

....Diamond smuggling has been a practice for almost a century, but you need deep ties in New York to liquidate at a fair price.
...all you would need is to deal with someone with a Rapaport account... of course, you would probably be losing more selling via an intermediary than you would have paid in taxes.
There might be a better place than Monaco, among >100 countries in the world.
Instead of 40% tax rate (like in 1040 highest bracket), possibly country with 20% tax rate might be a second choice, if the country provides safe living condition.