Home Jewelry Wholesale Can you know the authenticity of gold on the mark on gold jewelry? I don't know what the mark on the jewelry is used. Can you know the authenticity of gold on the mark on gold jewelry? I don't know what the mark on the jewelry is used. By huanggs 2022-10-05 Can you know the authenticity of gold on the mark on gold jewelry? I don't know what the mark on the jewelry is used.