About the role
Position Overview: Responsible for testing jewelry, gemstone, and jade samples and recording results, ensuring standardized testing processes, accurate results, and traceability.
I. Job Responsibilities
1. Sample Testing and Result Recording: Complete sample testing in accordance with established testing methods and procedures, and record test results and process data truthfully and accurately.
2. Maintenance of Result Consistency: Implement quality control measures such as comparative verification, periodic retesting, and joint review of difficult samples to reduce testing deviations and prevent quality incidents.
3. Exception Handling and Reporting: Promptly report anomalies during the testing process, cooperate with investigations and root cause analysis, and promote the implementation of improvement measures.
4. Execution of Testing Tasks: Complete assigned testing tasks according to the production plan and ensure delivery milestones are met on schedule.
5. Efficiency and Cost Control: Participate in process optimization and method improvement while ensuring result quality, and control material consumption and testing costs.
6. Environment and Safety: Implement laboratory environmental monitoring, 5S management, and facility maintenance to ensure that the work area meets requirements.
7. Technical Support and Collaboration: Maintain and update technical documentation, and provide professional testing support for various technical issues.
8. Technical Accumulation: Participate in fundamental technical work such as optimization of testing methods, organization of technical documentation, and patent applications.
II. Professional Background
1. Background in gemology, mineralogy, geology, or related disciplines.
2. Solid theoretical foundation in jewelry, gemstone, and jade identification, and familiar with the identification characteristics and testing methods of common jewelry, gemstone, and jade materials.
III. Education and Experience Requirements
1. Education: Bachelor's degree or above.
2. Experience: One year or more of relevant experience in jewelry, gemstone, and jade testing.
3. Experience working in a jewelry, gemstone, and jade testing laboratory is preferred.
4. Holders of internationally recognized gemological qualifications are preferred (e.g., GIA, FGA, GG).
IV. Key Competencies and Qualifications
1. Familiar with international jewelry, gemstone, and jade grading systems: Understand the standards and rules of mainstream international grading institutions represented by GIA, GRS, SSEF, Gübelin, and others; understand the grading framework centered on carat weight, color, clarity, and cut; hands-on experience in grading determination is preferred.
2. Proficient in the principles and operation of testing instruments, familiar with instrument calibration requirements, and able to perform calibration in accordance with specifications.
3. Solid jewelry, gemstone, and jade identification skills; experience in gemstone color grading, treatment identification, and origin determination is preferred.
4. Standardized and rigorous result recording; test data traceable, with the ability to analyze anomalous data.
5. Technical writing skills, capable of drafting technical documents such as testing methods or technical instructions.
6. English can be used as a working language, with the ability to read English technical literature and standards.
Requirements & working arrangement
- Languages
- English (Conversational)
- Working hours
- Standard hours

