public traded as tsx ddc nyse ddc industry nonmetallic mineral mining headquarters yellowknife northwest territories canada key people brendan bell number of employees 72 2008 1 website www.ddcorp.ca dominion diamond corporation formerly known as harry winston diamond corporation and before that aber is a toronto canada specialist diamond mining and retail company . the company holds a 40 % stake in the diavik diamond mine project . production at the diavik diamond mine canada s second diamond mine is operated by dominion diamond corporation s joint venture partner diavik diamond mines inc. a subsidiary of rio tinto group . the mine began producing diamonds in november 2002 . 2 in 2012 the company purchased all of bhp billiton s diamond assets ; the primary asset is the ekati diamond mine which is adjacent to the diavik mine . 3 diavik and ekati combined are estimated to produce over 7 million carats of diamonds in 2014 worth an estimated 1.1 billion . diavik and ekati are currently ranked the 9th and 19th largest diamond mines in the world respectively according to total carat production . 4 the company s participation in the retail segment of the diamond pipeline was by means of its ownership of harry winston inc. a chain of retail stores . on january 14 2013 the company announced that it has entered into an agreement to sell its luxury brand diamond jewelry and timepiece division harry winston inc. to the swatch group ltd. for us 750 million plus their assumption of up to us 250 million of pro forma net debt . the transaction included the brand and all the activities related to jewelry and watches including the 535 employees worldwide and the production company in geneva switzerland . 5 aside from its corporate office in toronto harry winston also has a rough diamond sorting facility in toronto and a marketing office in antwerp belgium . harry winston sells tiffany & co. about 25 % of the diamonds in winston s share and sells the remainder on the antwerp open diamond market through its rough diamond dealer subsidiary aber international . 6 see also edit diamonds as an investment references edit a b company profile for harry winston diamond corp hwd . retrieved 2008 10 08 . aber investor relations . retrieved 2005 12 21 . harry winston to purchase ekati diamond mine for 500 million forbes 2012 11 13 the state of global rough diamond supply 2014 mining.com 2014 3 13 http www.swatchgroup.com en services archive 2013 swatch group acquires the jewelry and watch brand harry winston inc marketing . aber diamond corporation . archived from the original on 2006 09 25 . retrieved 2005 12 21 . external links edit official website retrieved from https en.wikipedia.org w index.php title dominion diamond corporation & oldid 727597781 categories companies listed on the new york stock exchangecompanies listed on the toronto stock exchangemining companies of canadadiamond mining companiess & p tsx composite indexcompanies based in torontohidden categories pages using infobox company with unsupported parameters navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages fran ais edit links this page was last modified on 30 june 2016 at 01 05 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view