Interpretation of Qualified Judgement Criteria of Sampling Inspection for Gems and Precious Metal Products

This article explained the new National Standards:Qualified Judgement Criteria of Sampling Inspection for Gems and Precious Metal Products(GB/T 33541-2017), and has already been valid in October 2017 and effectively solved the problem of lacking of explicit qualified judgement criteria in jewelry industry. The new national standard perfectly united most related standards of gems and precious metal, including:(1)Sampling plan and methods, testing methods of gems and precious metal, determination methods of baneful elements in jewelry, grading standards of diamonds, pearls and jadeites, qualified judgement standard of marks and labels, qualified judgement standard of whole gems or precious metal products, and plan of objection and repeat inspection seven main parts, covering the entire process of quality supervision and inspection of jewelry.(2)Compared with traditional gems and precious metal standards, the new national standard modified the standard name from "jewelry/adornment" to "product", explicitly presented "other products of gems and precious metal can refer this standard", which solved the problem of lacking of proper standards for those gems or precious metal artworks such as gold bars or jade carvings.(3)Confirmed the definition of "unqualified label", which could effectively reduce the possibility of conflicts during jewelry quality supervision and inspection. Conclusively, the new standard will effectively standardize and unify national gems and precious metal products, and will significantly improve products quality and enhance consumer confidence in jewelry industry all over the country.