a diamond of the same weight and color with a Flawless clarity rating could cost double, says Simon. “These changes in value ...

But Congolese mining officials say diamonds are a vital source of ­income—if not the only source—for an estimated 1 million small ... disappear as a diamond moves up the value chain.

ASX-listed Lucapa Diamond Company reports that the Lulo diamond mine, in Angolo, in which it has a 40% interest, sold 5 587 ...

The natural-diamond industry ... to drive up value,” he concludes. “Sales of lab-created diamonds, now estimated at $150 million, are expected to increase to $1 billion by 2020 and outpace ...

Earlier this year, GemFair bought its largest-ever diamond, at 69.3 ct. Over 90% of diamonds by value are registered on the ...

Ekati still has 140 million carats remaining in Indicated Mineral Resources, one of the largest unmined diamond endowments in ...

Isaac Newton studied diamond, measuring its refractive index to within 1% of the currently accepted value 1. In addition to hardness, diamond has other unique properties, which include high ...

—Recently,PET-CT was designated as the gold standard for evaluating response to treatment and identifying patients with elevated risks of disease progression or premature death. Share on Facebook.

president and chief executive officer of Lucara Diamond, said in a statement. “These continued discoveries of large, ...

The budget, which began July 1, would be in deficit already ... healthiest way to sustain and grow CT Mirror is through the support of people who use and value it — loyal, curious readers ...

Some cars just stay with you.Cars that are so memorable, they permanently etch themselves in a corner of the cranium.These ...

The regulators are looking to institute a new rule that fishermen need to abide by a larger minimum size for the lobsters ...