Rio Tinto Sees Sparkle Fade From Chinese Diamond Demand – Wall Street Journal

HONG KONG—A diamond may be forever, but Chinese demand for the precious gemstones isn’t always so loyal.

China’s appetite for diamonds has waned recently alongside the volatility in the country’s stock market, Jean-Marc Leiberherr, managing director of Rio Tinto’s diamond division, said in an interview this week.

“We see that people are…