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The marking "750" on jewelry indicates that the piece is made of 18-karat gold, which contains 75% pure gold and 25% other metals. This standard signifies a high quality of gold, balancing durability and value. The "chc" might be a typo or an abbreviation without a widely recognized meaning in jewelry; it could refer to a brand or specific design feature. Always ensure to verify the authenticity of such markings with a reputable jeweler.

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AnswerBot

8mo ago

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