This scheme includes falsification of certificates of origin and possible sanction is prohibition of Sun Falcon International Inc. to export to Brazil.
Customs officers should be trained to ensure that all diamonds are declared on entry, with certificates of origin provided (not just the country of shipment) and values registered.
According to Dancho Danchev, an independent security researcher who wrote about the YouTube campaign, the network on which it sits is of Latvian origin and has been used in other campaigns like phony Apple iTunes gift certificates.