Rock & Gem

How to Tell the Difference Between Natural and Synthetic Gems


The lack of imperfecti­on usually, but not always, screams synthetic. Under a jeweler’s loupe, imperfecti­ons di…erentiate natural from synthetic stones. How so? Look for flaws—or the lack thereof. Natural stones usually have flaws or inclusions. Look for zoning. Natural stones often have growth lines and/or color zoning.

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