Answer : 2. "Russia"
Explanation :

The G7 nations will ban direct imports of rough diamonds from Russia from January 1, 2024. The ban will also include Russian diamonds that have been processed in third countries from March 1, 2024. G7 will also initially implement a full traceability system. Of September. The restrictions will apply to diamonds of one carat and above, with traceability systems increasing to half a carat or less from September.