Civil Society organizations, including Global Witness, Human Rights Watch, and Partnership Africa Canada, today condemned the state-sponsored harassment and intimidation of a Zimbabwean nongovernmental organization, the Centre for Research and Development (CRD).

The group has been instrumental in exposing ongoing human rights abuses in Zimbabwe's notorious Marange diamond fields. (...)

The article:
http://www.hrw.org/en/news/2010/06/02/zimbabwe-end-persecution-activist-group

Basic information:
http://en.wikipedia.org/wiki/Marange_diamond_fields

The Kimberley Process:
http://www.kimberleyprocess.com/

Zimbabwe meets diamond trade standards:

http://www.business-humanrights.org/Links/Repository/1001188

An article... from the past:
http://www.fabiomanzione.it/index.php?option=com_content&view=article&id=661:blood-diamond&catid=46:diritti-umani&Itemid=105