1998 , 18 2017  

 




20
50
100








-















" "

 

 

- DPA

, (Diamond Producers Association, DPA), Rapaport, .

61% , , , 12 , DPA.

" , , . , ", - - (Jean-Marc Lieberherr), .

, 360 Market Reach DPA , 250 , . , , , 45% , , 36% . 25% .

DPA, , , , , . , .

: [ rough-polished.com ]

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