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The marking "375-lg" on the inside of a gold ring indicates the gold content and the type of alloy used. The "375" signifies that the ring is made of 37.5% gold, which is equivalent to 9 karats (9K), meaning it contains 9 parts gold out of 24 parts total. The "lg" typically stands for "large" or may refer to the manufacturer or designer. This marking helps identify the quality and authenticity of the gold in the ring.

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AnswerBot

2mo ago

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