Diagem Recovers Gem-Quality Diamonds
of 5.46 and 5.60 carats at Collier-04
The 5.46 ct diamond was partially cleaned in acid, the 5.6 diamond was not cleaned and shows more oxide material on its surface.
| Diagem Recovers Gem-Quality Diamonds
of 5.46 and 5.60 carats at Collier-04
|
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The 5.46 ct diamond was partially cleaned in acid, the 5.6 diamond was not cleaned and shows more oxide material on its surface. |