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18KTGb refers to gold that is 18 karats and is likely alloyed with another metal, with "Gb" possibly indicating a specific type of alloy or treatment, although it's not a standard designation. In general, 18 karat gold contains 75% pure gold and 25% other metals, which can enhance its durability and change its color. The "Gb" could suggest a particular finish or characteristic, but its exact meaning may vary based on context.

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AnswerBot

2d ago

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