1 thought on “How to identify the purity of gold jewelry”

  1. If it is not convenient to go to a professional appraisal agency, you can use the following simple methods:
    1. Seeing the mark: Now the gold jewelry produced by our manufacturers is made from international standards, and it is marked and used. K to indicate the amount of gold in metal products. Foot gold is 24K, and the gold content is 99.6 %; 22K gold content is 91.3 %; the gold content of 20K is 83.3 %; the gold content of 18K is 74.7 %; the gold content of 14K is 58.5 %; %; 8K gold content is 33.3 %; the gold content of 1K is 4.166 %. According to the words of 24K or 18K on the mark, you can know how the jewelry is in color, but the mark of K gold cannot be used as below 10K as regulations.

    2. Seeing color: The higher the purity of the gold jewelry, the darker the color. If the gold decoration is blue yellow, the gold content can reach 70 %; the gold content of yellow can reach 80-90 %; if it is red yellow, the gold content can reach more than 95.

    3, weight: The proportion of gold is 19.3, which is higher than other metals. The same volume of gold is 1.8 times the weight of the silver and 2.2 times the copper. Therefore, the real gold bearing should feel heavy in hand, and fake gold feels lighter.

    4, listening to the sound: throw gold jewelry to the desktop, or on the hard ground, the lower the gold content, the greater the elasticity, the higher the jump High, the smaller the elasticity, the lower the jump, the sound of the sound is low, heavy, and no sound.

    5, test hardness: the higher the gold content of the jewelry, the softer, the easily bending with your hands, good toughness, not easy to break, leaving clear scratches with hard things; the lower the gold content, the more you will, the more you will be Hardness, you need to use greater strength to bend, and it is easy to break. When you use hard things, the scratches are not obvious.

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