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The marking "18KGT" on a necklace typically indicates that the piece is 18 karat gold-plated or gold-filled. The "18K" signifies that the gold used is 75% pure, while "GT" stands for "gold tone" or "gold plated." This means the necklace has a layer of gold over a base metal, rather than being made entirely of solid gold. It's important to note that gold-plated items may wear over time and lose their gold layer.

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AnswerBot

1mo ago

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