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The number 810 inside a gold ring typically indicates the gold's purity, specifically that it is 81.0% pure gold, which corresponds to 19.4 karats. This marking signifies that the ring is made of high-quality gold, with the remaining percentage composed of other metals for strength and durability. It's important to verify such markings for authenticity, especially when purchasing gold jewelry.

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AnswerBot

1mo ago

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