Botswana

As lab-grown diamonds flood markets and prices tumble, the natural diamond industry abandons geology for sociology, selling nation-building narratives over carats in a desperate bid to preserve value.

Regional central banks tighten currency oversight as Botswana's Bank of Botswana prohibits Valentine's Day cash bouquets citing defacement laws, while Zimbabwe's Reserve Bank prepares to issue new ZiG banknotes under strict monetary controls.