1
GIA Diamonds and Diamond Grading:
Assignment 10 Questionnaire Questions
and Correct Answers
What has more effect on the clarity grade of a
diamond?
A. Small crystal
B. Tiny needle
C. Numerous scratches
D. Deep feather Answer: D. Deep feather
What must be listed first on the Key to Symbols?
A. Knots
B. Metalwork
C. Naturals
D. Laser drill-holes Answer: D. Laser drill-holes
Pretest - Stuvia US
, 2
Where is a feather that reaches both the crown and
pavilion plotted?
A. Nowhere
B. Only on the crown diagram
C. Only on the pavilion diagram
D. On both the crown and pavilion diagrams Answer:
D. On both the crown and pavilion diagrams
What clarity grade are diamonds with minor inclusions
difficult to somewhat easy to see under 10x?
A. IF
B. VVS1 or VVS2
C. VS1 or VS2
D. SI1 or SI2 Answer: C. VS1 or VS2
What should be included when judging the number of
clarity characteristics?
Pretest - Stuvia US
GIA Diamonds and Diamond Grading:
Assignment 10 Questionnaire Questions
and Correct Answers
What has more effect on the clarity grade of a
diamond?
A. Small crystal
B. Tiny needle
C. Numerous scratches
D. Deep feather Answer: D. Deep feather
What must be listed first on the Key to Symbols?
A. Knots
B. Metalwork
C. Naturals
D. Laser drill-holes Answer: D. Laser drill-holes
Pretest - Stuvia US
, 2
Where is a feather that reaches both the crown and
pavilion plotted?
A. Nowhere
B. Only on the crown diagram
C. Only on the pavilion diagram
D. On both the crown and pavilion diagrams Answer:
D. On both the crown and pavilion diagrams
What clarity grade are diamonds with minor inclusions
difficult to somewhat easy to see under 10x?
A. IF
B. VVS1 or VVS2
C. VS1 or VS2
D. SI1 or SI2 Answer: C. VS1 or VS2
What should be included when judging the number of
clarity characteristics?
Pretest - Stuvia US