NICKY OPPENHEIMER, the chairman of De Beers, has highlighted the need for governments to be pro-active in the enforcement of diamond import and export controls, and for countries to work together with industry and participating non-governmental organisations (NGOs), to help eradicate the last vestiges of the illegal trade in conflict diamonds. %% Oppenheimer emphasized the importance of the meeting in Botswana and said that the delegates must be determined to ensure that participant governments are pro-active in the enforcement of import and export controls; that the reports of the ‘peer review’ missions to monitor such compliance are produced and acted upon swiftly; that governments conduct proper oversight of industry’s self-regulation measures and that the statistics showing the flow of diamonds between participating countries are published for all to see. %% Oppenheimer also said that every diamond trader around the world must establish absolutely the provenance of the diamonds they purchase; refuse to buy diamonds without the warranties required by the Kimberley Process; question and double check the validity of guarantees they are given by vendors and report to the authorities any suspected breach of the Kimberley provisions.