GIA Diamond Grading Questionnaire 11 With Complete
Solutions
1. What is the term for a colored diamond's fundamental C. Characteristic
color
color?
A. Master-eye color
B. Dominant color
C. Characteristic color
D. Representative color
2. What color is predominant in the "orange-yellow" A. Yellow
hue of the GIA system?
A. Yellow
B. Orange
C. Orangy yellow
D. Neither
3. What does each letter grade in the GIA Color
Scale represent? B. Range of color
A. Various hues
B. Range of color
C. Specific color
D. Range of dispersion
4. Why are colored diamonds graded in the opposite po- B. Influence of cut
sition of D-to-Z diamonds?
A. Less variation
B. Influence of cut
C. Impact of fire
D. Difference in light
5. What is a term that describes A. Yellow
hue?
A. Yellow
B. Light
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, GIA Diamond Grading Questionnaire 11 With Complete
Solutions
C. Silky
D. Very light
6. What results from slight color differences in A. Large ettect on value
colored diamonds?
A. Large effect on value
B. Huge impact on brilliance
C. Confusion among graders
D. No impact on price
7. What illusion causes a diamond to look lighter or dark- C. Master-eye
ettect
er than a masterstone, depending on the side it's on?
A. Bezold effect
B. Cat's-eye effect
C. Master-eye effect
D. Nailhead effect
8. What describes the darkness or lightness of a B. Lighten
color?
A. Hue
B. Tone
C. Richness
D. Saturation
9. What is a benefit of GIA's color grading system?
A. Starts with the letter "A"
B. Broadly defines trade terms
C. Universally defines grades
D. For round brilliant cuts only
10. How can a very deep pavilion affect color
appearance of a diamond?
A. Darken
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6
Solutions
1. What is the term for a colored diamond's fundamental C. Characteristic
color
color?
A. Master-eye color
B. Dominant color
C. Characteristic color
D. Representative color
2. What color is predominant in the "orange-yellow" A. Yellow
hue of the GIA system?
A. Yellow
B. Orange
C. Orangy yellow
D. Neither
3. What does each letter grade in the GIA Color
Scale represent? B. Range of color
A. Various hues
B. Range of color
C. Specific color
D. Range of dispersion
4. Why are colored diamonds graded in the opposite po- B. Influence of cut
sition of D-to-Z diamonds?
A. Less variation
B. Influence of cut
C. Impact of fire
D. Difference in light
5. What is a term that describes A. Yellow
hue?
A. Yellow
B. Light
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6
, GIA Diamond Grading Questionnaire 11 With Complete
Solutions
C. Silky
D. Very light
6. What results from slight color differences in A. Large ettect on value
colored diamonds?
A. Large effect on value
B. Huge impact on brilliance
C. Confusion among graders
D. No impact on price
7. What illusion causes a diamond to look lighter or dark- C. Master-eye
ettect
er than a masterstone, depending on the side it's on?
A. Bezold effect
B. Cat's-eye effect
C. Master-eye effect
D. Nailhead effect
8. What describes the darkness or lightness of a B. Lighten
color?
A. Hue
B. Tone
C. Richness
D. Saturation
9. What is a benefit of GIA's color grading system?
A. Starts with the letter "A"
B. Broadly defines trade terms
C. Universally defines grades
D. For round brilliant cuts only
10. How can a very deep pavilion affect color
appearance of a diamond?
A. Darken
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