Plural of gemmologist; multiple scientists or experts who study gems and precious stones.
From gemmologist (singular) + -s (standard plural suffix in English). Follows regular English pluralization even though it derives from Greek and Latin roots.
Professional gemmologists are guardians of authenticity in the gem world—their expert opinions can make or break a major sale, and their training takes years of learning to recognize treatments and synthetics that fool the untrained eye.
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