Sightholders were encouraged by the sight, as they had expected prices to soften after the declines that were evident at the BHP Billiton tender earlier this month.
"Market-wise, I was very happy with the way De Beers handled this sight and it seems to have injected a bit of confidence back in the market," said one sightholder. "If DTC prices had dropped, it would have set in motion a slide in rough so this kept prices up."