(Bloomberg) De Beers expects any recovery in the beleaguered diamond market to be slow and gradual as the industry continues to suffer from weak economic growth in key markets such as China and the US.Most Read from BloombergTrump Denied Immunity in DC Election Case by Appeals CourtXi to Discuss China Stocks With Regulators as Rescue Bets BuildWall Street Snubs China for India in a Historic Markets Shift‘Money Dysmorphia’ Traps Millennials and Gen ZersChina Replaces Top Markets Regulator as X