Recruiter's Glossary

Examples: Carat Weight • Synthetic Identification • Phosphorescence

Master Stones

Term from Gemology industry explained for recruiters

Master Stones are specially selected, high-quality gemstones used as reference standards in the jewelry and gemology industry. They help professionals compare and grade other gemstones by providing reliable examples of specific qualities, colors, and characteristics. Think of them like a ruler or measuring tape, but for gemstones - they're the standard that other stones are measured against. These reference stones are carefully chosen and certified by respected organizations to ensure consistency in gem grading across the industry.

Examples in Resumes

Maintained collection of Master Stones for diamond color grading in retail jewelry chain

Trained staff on proper use of Master Stone sets for accurate gem identification

Developed grading procedures using Master Stones and Reference Stones for quality control

Typical job title: "Gemologists"

Also try searching for:

Gemologist Diamond Grader Jewelry Appraiser Gem Identification Specialist Quality Control Specialist Laboratory Gemologist

Where to Find Gemologists

Professional Organizations

Job Boards

Industry Networks

Example Interview Questions

Senior Level Questions

Q: How would you establish a master stone collection for a large jewelry retail chain?

Expected Answer: The candidate should discuss budget considerations, selection criteria for stones, security measures, staff training programs, and quality control procedures. They should also mention relationships with certification laboratories and maintenance of documentation.

Q: What process would you use to validate the accuracy of master stones?

Expected Answer: Should explain regular verification procedures, working with certification laboratories, documentation requirements, and when stones need to be recertified or replaced. Should mention importance of proper storage and handling.

Mid Level Questions

Q: How do you use master stones to grade colored gemstones?

Expected Answer: Should explain the comparison process, lighting conditions, proper handling techniques, and documentation procedures. Should demonstrate understanding of color, clarity, and cut grading using master stones.

Q: What are the key factors in maintaining a master stone collection?

Expected Answer: Should discuss proper storage conditions, handling procedures, regular cleaning methods, security measures, and documentation requirements for maintaining the collection's integrity.

Junior Level Questions

Q: What is the purpose of master stones?

Expected Answer: Should explain that master stones are reference standards used to compare and grade other gemstones, ensuring consistency in quality assessment across the industry.

Q: How do you properly handle master stones?

Expected Answer: Should describe basic handling procedures like using tweezers, clean hands, proper lighting, and maintaining clean surfaces. Should mention documentation and storage requirements.