Polished trading seasonally quiet. Asian demand driving activity during US vacation period. Chinese buyers shifting to lower colors amid yuan currency devaluation (-4% since June 1 to CNY 6.67/$1). Weaker yuan will also impact tourist jewelry shopping. Dossiers selling well, with good orders for 0.50 ct., D-M, VS-SI, RapSpec A2+ diamonds. Polished suppliers maintaining steady prices after rough-price hikes. Miners limiting 2018 supply after global 2017 KP rough production +29% to $15.9B, volume +19% to 151M cts., average price +8% to $105/ct. Alrosa 1H sales estimated +8% to $2.7B. Petra Diamonds sells 76% stake in Kimberley operations to Ekapa Mining for $22M.