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What does it mean that there is (JRC thousands of gold 17) on the inside of the ring?
JRC refers to the jewelry brand Jinri Fashion, which is a niche brand in Shenzhen in recent years.

Thousands of pure gold: the gold content of not less than 999 is called thousands of pure gold, which is the highest value in jewelry color naming.

17 is the number of circles, with a circumference of 57mm and a diameter of 18 438+05 mm, as shown in the following table: