GB/T 42221-2022
Jewellery—Consumer confidence in the diamond industry
- Standard No.
- GB/T 42221-2022
- Language
- Chinese
- Release Date
- 2022
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Lastest
- GB/T 42221-2022
- Scope
- This document defines the terms and definitions allowed to be used in the diamond industry, and provides information disclosure and related vocabulary. This document applies to the naming of diamonds, treated diamonds, synthetic diamonds, mosaic diamonds, and imitation diamonds involved in the diamond trading process.
GB/T 42221-2022 Referenced Document
- GB/T 16552 Gems—Nomenclature
- GB/T 16553 Gems—Testing
- GB/T 16554 Diamond grading
GB/T 42221-2022 history
- 2022 GB/T 42221-2022 Jewellery—Consumer confidence in the diamond industry