A 23-carat diamond among those to vanish in apparent bait-and-switch
(Newser) -
Rough diamonds worth millions have vanished from the repository that holds Russia's supply of gold, silver, diamonds, and gems even though it is "supposedly impenetrable," in the words of NBC News . State-owned diamond mining company Severalmaz says it gave 150,000 carats, or 66 pounds, of diamonds...