The annual Argyle Pink Diamonds Tender is arranged for a photograph at the Argyle diamond mine operated by the Rio Tinto Group in the East Kimberly region of Western Australia, Australia, on Friday, July 12, 2019. The worlds biggest diamond mine famed more for the fistful of coveted pink and red gems it yields each year than being a major producer of lower-quality stones is being shuttered by Rio Tinto after almost four decades. Photographer: Carla Gottgens/Bloomberg via Getty Images
The annual Argyle Pink Diamonds Tender is arranged for a photograph at the Argyle diamond mine operated by the Rio Tinto Group in the East Kimberly region of Western Australia, Australia, on Friday, July 12, 2019. The worlds biggest diamond mine famed more for the fistful of coveted pink and red gems it yields each year than being a major producer of lower-quality stones is being shuttered by Rio Tinto after almost four decades. Photographer: Carla Gottgens/Bloomberg via Getty Images
The annual Argyle Pink Diamonds Tender is arranged for a photograph at the Argyle diamond mine operated by the Rio Tinto Group in the East Kimberly region of Western Australia, Australia, on Friday, July 12, 2019. The worlds biggest diamond mine famed more for the fistful of coveted pink and red gems it yields each year than being a major producer of lower-quality stones is being shuttered by Rio Tinto after almost four decades. Photographer: Carla Gottgens/Bloomberg via Getty Images
One of the diamonds from the Argyle Pink Diamonds Tender is displayed for a photograph at the Argyle diamond mine operated by the Rio Tinto Group in the East Kimberly region of Western Australia, Australia, on Friday, July 12, 2019. The worlds biggest diamond mine famed more for the fistful of coveted pink and red gems it yields each year than being a major producer of lower-quality stones is being shuttered by Rio Tinto after almost four decades. Photographer: Carla Gottgens/Bloomberg via Getty Images
A danger sign is displayed at the Argyle diamond mine operated by the Rio Tinto Group in the East Kimberly region of Western Australia, Australia, on Thursday, July 11, 2019. The worlds biggest diamond mine famed more for the fistful of coveted pink and red gems it yields each year than being a major producer of lower-quality stones is being shuttered by Rio Tinto after almost four decades. Photographer: Carla Gottgens/Bloomberg via Getty Images
