Morally speaking, the case is closed on Russian diamonds.
And they will soon be banned from 70 percent of the world's markets, in a move to be unveiled by the Group of Seven (G7) wealthy nations.
The EU expects its 27 member states to follow suit.
A proposed ban on Russian liquid gas imports would harm the Kremlin's war-chest more.
But even if the EU can't agree a gas embargo, the diamond ban would have the added value of hindering Russian corruption schemes in Eur...
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