Both rough Diamonds weight 117 carats and 110 carats are D color Type IIa diamonds.
Type IIa diamonds carbon bonds contain little or no nitrogen atoms making them very white and rare. These are the most expensive white diamonds.
Source: DCLA
DCLA is Australia’s internationally accredited diamond certification laboratory. Trusted by jewellers, insurers, and buyers for independent grading.
Monday, 8 January 2018
Two 100 carat plus rough diamonds recovered at Lesotho mine
Both rough Diamonds weight 117 carats and 110 carats are D color Type IIa diamonds.
Type IIa diamonds carbon bonds contain little or no nitrogen atoms making them very white and rare. These are the most expensive white diamonds.
Source: DCLA
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