mens bracelets

Multiple batches of jewelry unqualified sampling observation of Paris spring on the city industrial and commercial bureau announced yesterday the city circulation of jewelry quality monitoring situation, Paris spring, Oriental Shopping Center, department stores, shopping malls, stores selling jade, pearl and other batches of colored gemstone and diamond testing is not consistent with the requirements of national standard, be judged not qualified. Monitoring found, 5 batches of unqualified jewelry color. Huijin department store on the first floor of Shanghai perfect jewelry trading company sales of" ENZO " brand 18K gold diamond ring, the original mens bracelets certificate colour level of class L, measured as M-N grade; Oriental shop buildings in Wujiaochang Shanghai Ming drilling square Jewellery Company Limited sales of the " Ming drilling square" brand bare drill, color level of original certificate of class F, measurement of the G level, two batches of diamond color level measured were lower than the express. It is reported, the diamond color classification refers to the use of colorimetric method, in terms of the environment on the diamond color grading, divided into 12 successive color grade. On the diamond, color mainly reflects its colorless, color is light, the higher the level. The best colour diamonds are colorless, D-E-F is often referred to as" colorless", G-H-I is often referred to as" near colorless". There are 5 batches of jewelry in presence of unqualified cleanliness. Oriental shop buildings in Wujiaochang Yin Thai silk jewelry ( Shenzhen) Limited sales of the " Entice Yin Thai silk" brand diamond, landmark Shanghai Pu Rui Jewellery Company Limited sales of" Pu Rui " brand of diamond, the original certificate cleanliness are VS2, measured as SI1; Bailian another city store Wujiaochang Hua Yang Industrial Trade ( Shenzhen) Company Limited Shanghai branch sales of" JCL gem city " brand diamond pendant, the original certificate of class VS2, measured as SI. According to experts, diamond clarity grading is at 10 times magnification conditions for diamond, internal and mens bracelets  external features for classification, can be divided into LC, VVS, VS, SI, P, 5 large and 10 small level level. In addition, there are 1 batches of the product is not qualified. The national standard, the precious metal content should have the manufacturer code mark, material name, purity, diamond jewelry main stone ( 0.1 carat ) quality. Monitoring found, Paris spring store Wujiaochang Shanghai jade margin of jade trade limited company sells the " jade source" licensing" Emerald 18K mosaic Drop Pendant", only the purity of 18K, no material name. Ministry of Commerce and industry experts remind consumers to purchase jewelry should be paid attention to when, jade is divided into a, B, C goods 3 types of goods. A show without filling, color processing of natural color, texture and delicate, compact structure, high hardness, natural jade. B C goods, goods, refers to the presence of filling or color treated jadeite. Natural jade according to color, color, weight, clarity, transparency, texture, lightness and process evaluation standards of grading.

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