1.   Diamond traders expect Russia and De Beers to extend their current agreement on marketing Russian diamonds this week.

2.   Russian diamond sales outside of the CSO could lead to an over-supply of gems.

3.   A Russian diamond worker trying to steal gems was caught by a company spy watching through a rest-room peephole, a newspaper reported Tuesday.

4.   Another obstacle to development is the lack of investment, because the Russian diamond industry clings to strict rules barring foreigners from exporting the gems.

5.   De Beers threatened to stop buying Russian diamonds in an effort to force the deal, but the move brought little result.

6.   During the negotiations, the flow of Russian diamond exports was cut to a trickle.

7.   He was referring to De Beers taking part in diamond auctions in other cities to buy Russian diamonds, something it was prohibited from doing under the contract.

8.   Most Russian diamonds come from Sakha, formerly known as Yakutia, a province five times the size of Texas that straddles the Arctic Circle.

9.   San Francisco-based Golden ADA was established with the Russian government to polish rough-cut Russian diamonds and return them to Moscow for sale.

10.   The chairman of De Beers, Nicholas Oppenheimer, is visiting Moscow this week to sign a deal with Russian diamonds manufacturer Alrosa.