CAN A JEWELLER TELL A LAB GROWN DIAMOND?

THE ANSWER

Not with the naked eye. Not with a standard loupe. Lab diamonds look identical to mined diamonds under normal examination. A skilled gemologist needs specialised equipment. Spectroscopy machines detect subtle differences in crystal growth patterns. Nitrogen content varies slightly. Some labs laser-inscribe the girdle with "lab-grown" text, visible only under magnification. Without that inscription or lab equipment, even experts cannot distinguish them. That's because they're the same material. The identification relies on origin markers, not quality differences.

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