Crown Angle
Crown Angle is an important measurement in diamond evaluation that refers to the angle between the top portion (crown) of a diamond and its widest part. Think of it like the slope of a roof on a house - this angle affects how light behaves inside the diamond and influences its sparkle and brilliance. When reading resumes in the gemology field, you'll often see this term because it's a crucial skill for diamond graders, gemologists, and jewelry appraisers who need to assess diamond quality and value. It's part of what industry professionals call the "cut grade" of a diamond, along with other measurements like pavilion angle and table size.
Examples in Resumes
Evaluated over 1,000 diamonds using Crown Angle and other cut measurements
Certified expert in measuring Crown Angles and determining optimal cut grades
Trained junior gemologists in proper Crown Angle assessment techniques
Typical job title: "Diamond Graders"
Also try searching for:
Where to Find Diamond Graders
Professional Organizations
Online Communities
Job Boards
Example Interview Questions
Senior Level Questions
Q: How do you train others to evaluate crown angles accurately?
Expected Answer: A senior gemologist should explain their teaching methods, including hands-on training with different diamond samples, use of measuring tools, and how they ensure consistency in measurements across team members.
Q: What's the relationship between crown angle and a diamond's value?
Expected Answer: They should demonstrate understanding of how crown angles affect light performance, market value, and explain how to balance perfect measurements with practical market considerations.
Mid Level Questions
Q: What tools do you use to measure crown angles?
Expected Answer: Should be able to discuss various measurement tools like proportion scopes, digital gauges, and explain when to use each one and their accuracy levels.
Q: What is the ideal crown angle range and why?
Expected Answer: Should explain the optimal range (typically 32-36 degrees), and how this affects a diamond's brilliance and fire, with practical examples.
Junior Level Questions
Q: Can you explain what a crown angle is?
Expected Answer: Should be able to explain in simple terms that it's the angle between the crown (top part) of the diamond and its girdle (widest part), and why it matters for diamond quality.
Q: What happens if a crown angle is too steep or too shallow?
Expected Answer: Should understand basic concepts of how incorrect angles affect a diamond's appearance, like loss of brilliance or sparkle.
Experience Level Indicators
Junior (0-2 years)
- Basic diamond measurements
- Use of basic grading tools
- Understanding of basic cut grades
- Knowledge of diamond terminology
Mid (2-5 years)
- Accurate measurement of all cut angles
- Advanced tool usage
- Quality grading experience
- Understanding of light performance
Senior (5+ years)
- Training and supervision
- Complex cut analysis
- Quality control expertise
- Market value assessment
Red Flags to Watch For
- No formal gemological education or certification
- Inability to use standard measuring tools
- Lack of hands-on diamond grading experience
- No knowledge of industry grading standards
Related Terms
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