enable scripts and reload this page . menu it looks like your browser does not have javascript enabled . please turn on javascript and try again . homecurrently selectedabout us overviewour historyour valuesboard of directorsour subsidiariessupply chaintender noticesfaqsdiamond facts operations overviewjwaneng mineorapa minedamtshaa mineletlhakane minemine visits our projectssustainability overviewour peopleour communityour environmentsafety careers overviewvacancies media overviewnewsreportspublicationscsi projectsimage gallery contact us it looks like your browser does not have javascript enabled . please turn on javascript and try again . our people and our community div class externalclass18f8442ed9304390be79aab71dc4595b p caring about the safety and wellbeing of our people our environment and our equipment p div a href sustainability title find out more about sustainability find out more a http www.debswana.com lists banners dispform.aspx id 5our people and our communitydiamond facts div class externalclass278532c4adc8449bb6c2748bf35c9bd6 p cut . carat . colour . clarity . find out more about our diamond facts p div a href about us pages diamond facts.aspx title find our more about our diamond facts find out more a http www.debswana.com lists banners dispform.aspx id 3diamond factsour operations div class externalclassfdbe9cb9a96d45b08f71b48e61b39d2d p jwaneng orapa letlhakane and damtshaa diamond mines along with the morupule coal mine p div a href operations title find out more about our operations find out more a http www.debswana.com lists banners dispform.aspx id 4our operations page content debswana diamond companydebswana diamond company pty ltd is a unique partnership between the government of the republic of botswana and de beers group of companies . the company was incorporated on 23rd june 1969 under the original name of de beers botswana mining company proprietary limited.on 25th march 1992 the name of the company was subsequently changed to debswana diamond company proprietary limited . the company s primary objective is diamond mining and associated processes . operations04 damtshaa minejwaneng mineletlhakane mineorapa mine tonnes mined 2015 000 149 404 tonnes treated 2015 000 20 533 carats recovered 2015 000 20 368 our operations it looks like your browser does not have javascript enabled . please turn on javascript and try again . damtshaa minefour small diamond pipes b k1 b k9 b k12 and b k 15 were discovered between 1967 and 1972 in an area 20km east of the orapa kimberlite pipe . these pipes were grouped to form the damtshaa mine.http www.debswana.com operations pages damtshaa mine.aspxdamtshaa minedebswana is the world s leading diamond producer by value . we work knowing that are integral to the social fabric of botswana and that our success contributes to that of botswana.jwaneng minejwaneng mine is the richest diamond mine in the world by value . the mine became fully operational in august 1982 when it was officially opened by the then president of botswana his excellency sir ketumile masire.http www.debswana.com operations pages jwaneng mine.aspxjwaneng minedebswana is the world s leading diamond producer by value . we work knowing that are integral to the social fabric of botswana and that our success contributes to that of botswana.letlhakane mineletlhakane mine is situated 50 km from debswana s orapa operation and 190 km west of francistown in central botswana . the mine was first discovered during the sampling and evaluation process at orapa.http www.debswana.com operations pages letlhakane mine.aspxletlhakane minedebswana is the world s leading diamond producer by value . we work knowing that are integral to the social fabric of botswana and that our success contributes to that of botswana.orapa mineorapa is a conventional open pit mine situated 240 km west of francistown . the mine was discovered in 1967 by a team of de beers geologists led by manfred marx . it became fully operational in july 1971http www.debswana.com operations pages orapa mine.aspxorapa minedebswana is the world s leading diamond producer by value . we work knowing that are integral to the social fabric of botswana and that our success contributes to that of botswana . latest news it looks like your browser does not have javascript enabled . please turn on javascript and try again . debswana scholarships take off2015 09 28t22 00 00zthe first batch of students in the re introduced debswana diamond company scholarship programme has begun their studies at both local and overseas institutions . http www.debswana.com debswana scholarships take off 2 debswana scholarships take offlabour relations key to industrial productivity bonyongo2015 09 24t22 00 00zaddressing the botswana mine workers union congress yesterday debswana s managing director balisi bonyongo spoke in plain terms that healthy and effective labour relations are at the core of industrial peace and success.http www.debswana.com labour relations key to industrial productivity bonyongolabour relations key to industrial productivity bonyongo stakeholder reports annual review and report to stakeholders annual publication showcasing operational performance socio economic development sustainability programmes corporate social responsibility a nd inve stments . more reports publications it looks like your browser does not have javascript enabled . please turn on javascript and try again . corporate social investment programme booklethttp www.debswana.com media publications 20100416 csi programme 16.04.10 . pdfcorporate social investment programme booklet more publications diamond facts it looks like your browser does not have javascript enabled . please turn on javascript and try again . carat p carat refers to the weight of a diamond . often mistaken with size carat is actually a measure of weight . the term carat is a derivative of the word carob . carob seeds which are surprisingly uniform in weight were used as a reference for diamond weight in ancient civilisations . one carob seed equalled one carat . one carat is equivalent to 200 milligrams . one carat can also be divided into 100 points . a .75 carat diamond is the same as a 75 point or 3 4 carat diamond . p http www.debswana.com about us lists diamond facts dispform.aspx id 1caratclarity p clarity refers to the presence of inclusions in a diamond . inclusions are ranked on a scale of perfection known as clarity . the clarity scale ranging from f flawless to included i is based on the visibility of inclusions at a magnification of 10x . even with a loupe the birthmarks in the vvs very very slightly included to vs very slightly included range can be very difficult to find . it is only when a diamond is graded i that it is possible to see the birthmarks with the naked eye . the position of inclusions can affect the value of a diamond and you should consider the number size brightness nature and position of inclusions . p http www.debswana.com about us lists diamond facts dispform.aspx id 2claritycolour p colour refers to the degree to which a diamond is colourless . diamonds can be found in many colours however white coloured or colourless diamonds remain the most popular . diamonds are graded on a colour scale which ranges from d colourless to z. warmer coloured diamonds k z are particularly desirable when set in yellow gold . icy winter white coloured diamonds d j look stunning set in white gold or platinum . nature has also created diamonds in shades of blue green yellow orange and pink . red is the rarest of all . these diamonds are called coloured fancies and are extremely rare and highly treasured . p http www.debswana.com about us lists diamond facts dispform.aspx id 3colourcut p cut refers to the angles and proportions of a diamond . it is the only one of the 4cs that is influenced by the human hand . diamond cutting requires great skill and training . the cutter must polish tiny surfaces known as facets onto the rough diamond . this process is what creates the facets known as the crown culet table girdle and pavilion of the diamond . p http www.debswana.com about us lists diamond facts dispform.aspx id 4cut find out more about debswana visiting debswana public complaints and grievance procedure corporate and social investment faqs links contact us image gallery privacy site map copyright and disclaimer sign in