Cullinan Diamond Mine

Read more about how Petra is shaping its future.Download latest Annual ReportOur business will be transformed once our expansion programmes have opened up access to new blocks of ore, undiluted by waste rock.Read more hereThis 12-carat, internally flawless, fancy, vivid Blue Moon diamond was cut from the 29.6 carat rough stone discovered at Petra’s Cullinan mine in January 2014.Read more about our Diamond HeritagePetra has published its 2017 Sustainability ReportView ReportPetra has announced its preliminary results for the year ended 30 June 2018.FY 2018 Preliminary ResultsWebcast & Conference CallFor a brief overview of the diamond lifecycle click here. Diamond FactsheetSee what our employees say about working at Petra Diamonds.Read case studies hereOur portfolio incorporates major underground pipe mines and a large high-volume open cast mineCullinan is one of the world’s most celebrated diamond mines and the source of the two largest diamonds in the British Crown JewelsCullinan is one of the world’s most celebrated diamond mines and the source of the two largest diamonds in the British Crown JewelsCullinan is renowned as a source of large, high-quality gem diamonds, including Type II stones, as well as being the world’s most important source of very rare blue diamonds.Cullinan earned its place in history with the discovery