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wholesale gold plated jewelry usa The ZBJ diamond certificate is not authoritative. ZBJ Diamond Certificate was issued by Shenzhen Zhonghe Jewelry Jewelry Testing Co., Ltd., which belongs to the provincial appraisal certificate belonging to diamonds. From the gold content of the certificate, the certificate is not fake, but it is not authoritative enough. Strict, there is a disadvantage for consumers for this kind of certificate, and water will still be put in place where the national standard is not strictly standard. A formal certificate will have a description of the sample (color, shape, weight), identification data (density, refractive index, absorption spectrum, amplification inspection, etc.), remarks I will write you red, yellow, yellow, green, blue, blue purple, and write what color is.
If the samples of the inspection If there is a typical structural characteristics, it will be written in the certificate: Emerald is generally fibrous crystal interlacing structure/fiber pillar granules The intertwined structure and Hetian jade are generally fibrous intertwined structures. Caibao may write "visible natural bag" and say natural features. What is missing? Most of them are not natural.