Wednesday, 20 May 2015

GIA colour treated diamonds recalled

 
Diamonds certified by the GIA had an undisclosed treatment which fades over time, but improves their colour by as much as three grades.

Read more Source:DCLA

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Mining Company Alrosa Unveils Russia’s Largest-Ever Diamond

Russian diamond producer Alrosa announced Friday that it finished the two year cutting process of the country’s largest ever diamond a 100 c...