67.87-carat-gem-quality-octahedron-diamond-recovered-at-Gahcho Kué Mine-in-february-2017-during-production-ramp-up Published March 3, 2017 at 792 × 634 in GAHCHO KUÉ COMMENCES COMMERCIAL PRODUCTION AFTER COMPLETION OF PROJECT AHEAD OF SCHEDULE 67.87-carat gem-quality octahedron diamond recovered at Gahcho Kué Mine in February 2017, during production ramp up← PreviousNext →