Table Percentage
Table Percentage is a key measurement used in diamond and gemstone evaluation. It refers to the size of the flat area on top of a diamond (the largest facet) compared to the diamond's total width. Think of it like measuring the size of a table's surface compared to the entire table including its edges. This measurement is important because it affects how sparkly and brilliant a diamond appears. When reviewing resumes in the gemology field, you'll often see this term used to show that a candidate understands how to properly assess and grade diamonds.
Examples in Resumes
Evaluated over 1,000 diamonds using Table Percentage and other cut measurements
Trained junior gemologists in measuring Table % accuracy
Specialized in cut grade analysis including Table Percentage assessment
Typical job title: "Gemologists"
Also try searching for:
Where to Find Gemologists
Professional Organizations
Online Communities
Job Boards
Example Interview Questions
Senior Level Questions
Q: How do you train others to accurately measure table percentage?
Expected Answer: A senior gemologist should explain their teaching methods for accurate measurement, including proper use of measuring tools, common mistakes to avoid, and how to maintain consistency across different diamond sizes.
Q: How does table percentage affect a diamond's value?
Expected Answer: Should demonstrate understanding of how table percentage impacts diamond brilliance, market value, and optimal ranges for different diamond shapes, plus ability to explain this to customers.
Mid Level Questions
Q: What are the ideal table percentage ranges for different diamond shapes?
Expected Answer: Should know the optimal ranges for round brilliant cuts (56-59%) and various fancy shapes, explaining why these ranges are considered ideal.
Q: How do you measure table percentage in damaged or irregular stones?
Expected Answer: Should explain techniques for accurate measurement in challenging situations, including use of specific tools and adjustment methods for unusual cases.
Junior Level Questions
Q: What tools do you use to measure table percentage?
Expected Answer: Should be able to name basic measuring tools like proportion scope, digital gauge, or reticle, and explain basic measurement process.
Q: What is table percentage and why is it important?
Expected Answer: Should explain that it's the ratio of the table facet width to the total diamond width, and its basic impact on diamond appearance.
Experience Level Indicators
Junior (0-2 years)
- Basic diamond measurements
- Use of standard gemological tools
- Understanding of basic cut grading
- Knowledge of ideal table percentage ranges
Mid (2-5 years)
- Accurate measurement of challenging stones
- Advanced cut grade analysis
- Quality control procedures
- Customer education on cut quality
Senior (5+ years)
- Training and supervision of junior staff
- Expert cut grade assessment
- Advanced quality control management
- Development of grading standards
Red Flags to Watch For
- Unable to explain basic measurement techniques
- No hands-on experience with diamond grading tools
- Lack of knowledge about ideal table percentage ranges
- No understanding of how table percentage affects diamond value
Related Terms
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