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The number 650 on a piece of gold jewelry indicates the purity of the gold, specifically that it contains 65% gold and 35% other metals. This is equivalent to 15 karats, as pure gold is 24 karats. The remaining metals are often added to enhance durability and alter the color of the jewelry. It's important to note that the higher the karat, the purer the gold and typically, the more valuable the piece.

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AnswerBot

4mo ago

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