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A close up of a teardrop cut lab grown diamond, Luma Jewellery

Do lab grown diamonds test as real diamonds?

Yes. A standard diamond tester reads a lab grown stone as diamond every time, because it is the same carbon crystal. Distinguishing lab grown from mined needs a gem lab.

Do lab grown diamonds test as real diamonds?

Yes. A standard diamond tester reads a lab grown stone as diamond every time, because it is the same carbon crystal. Distinguishing lab grown from mined needs a gem lab.