stunning enhanced natural black diamond 2.62ct 9.25 mm

Indentifying Black Diamonds:

Electronic diamond testers often identify treated black diamonds as moissanites, causing concern to consumers who thought they had black diamonds. This can occur if the tester was designed to separate diamond from moissanite based on electro-conductivity. Moissanite stones are electro-conductive, but natural-color diamonds are not. However, color-treated black diamonds become electro-conductive during the process that enhances their color. As a result, jewelers sometimes mis-identify the color-treated stones.

So how do you determine if a black diamond is a real diamond or a moissanite? Actually, the test that labeled the diamond as a moissanite reveals the gem's true identity. Although diamond testers identify colorless moissanite, they don't take accurate readings of any colored moissanite. Because neither natural-color black diamond nor black moissanite test as moissanite on the electronic testers, when a jeweler tests a stone and the tester indicates "moissanite," the test is a confirmation that the black gem in question is a natural diamond that has been treated to improve its dark color.

At the Tucson Gem Show in February 2012, the testing methods to distinguish black diamond from black moissanite were confirmed during educational sessions with renowned gemologist and author Antoinette Mat

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