Efforts to broaden the scope of the Kimberley Process, set to prevent the sale of so-called "blood diamonds", have been stymied for a decade by member states including China, Russia and a number of African nations.
Delivering a $7.1 billion budget in parliament, Margaret Mwanakatwe pledged to bring debt down and to trim the fiscal deficit to 6.5 percent of GDP in 2019.
The state miner warned it would "assert its rights" in Barrick Gold's acquisition of Rangold's stake in the Kibali mine, but did not provide details of its plans.