1 Scope
This standard specifies the basic principles, label contents and requirements of ornament-marking.
This standard is applicable to gems, precious metal jewellery as well as inlaid jewelry, gems and precious metal ornaments made from them.
2 Normative References
The following documents are essential for the application of this standard. For dated reference, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
GB 11887 Jewellery - Fineness of Precious Metal Alloys and Designation
GB/T 16552 Gems - Nomenclature
GB/T 16554 Diamond Grading
QB/T 1689 Terms of Precious Metal Adornment
QB/T 1690 Provision of Permissible Errors for Measurement of Precious Metal Adornment Mass
GB/T 8170 Rules of Rounding off for Numerical Values & Expression and Judgement of Limiting Values
3 Terms
Foreword i
1 Scope
2 Normative References
3 Terms
4 Basic Principles
5 Label Contents and Requirements
