Diamonds are displayed at the De Beers Global Sightholder Sales (GSS) in Gaborone, Botswana, November 24, 2015. REUTERS/Siphiwe Sibeko/File Photo
Diamonds are displayed at the De Beers Global Sightholder Sales (GSS) in Gaborone, Botswana, November 24, 2015. REUTERS/Siphiwe Sibeko/File Photo