GIA DIAMONDS & DIAMOND GRADING CUMULATIVE
PRACTICE | EXAM QUESTIONS AND ANSWERS|
COMPLETE STUDY GUIDE WITH 100% ACCURATE
QUESTIONS & ANSWERS! EXCELLENCE
GUARANTEED!
Course Code:
Course Title:
Programme:
Academic Year: 2026/2027.
Duration: 2 Hours.
Total Marks: 100.
Candidate Instructions:
1) Write your Registration Number on every answer booklet used.
2) Answer ALL questions in Section A and ANY TWO (2) questions in Section B.
3) Read each question carefully before answering.
4) Begin each question on a new page.
5) The marks for each question are indicated in brackets.
6) This paper consists of several printed pages, including this page.
7) Ensure your copy is complete before the examination begins.
8) Unauthorized materials and communication with other candidates are not permitted.
Turn Over.
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, provides a universally accepted way to communicate diamond quality Answer: 1. What is the
advantage of using the GIA Diamond Grading System?
size, number, location (position), relief, & nature Answer: 2. What are the five clarity factors?
directly under the table Answer: 3. Where are inclusions most visible?
relief Answer: 4. contrast between an inclusion and its host gem
non-callable Answer: 5. What are clarity characteristics that don't affect the clarity grade
called?
shows no inclusions and no blemishes when examined under 10x magnification Answer: 6.
Describe a Flawless diamond.
- extra facets not visible face-up
- naturals entirely confined to the girdle as long as they don't thicken the girdle or distort its
outline
- internal graining that's not reflective, white, or colored, and doesn't significantly affect
transparency
- inscriptions that aren't internal and don't appear to penetrate the surface
- mounting features Answer: 7. What features can a diamond have, visible at 10x, and still be
considered Flawless?
"no inclusions & no blemishes" = Flawless (FL)
"no inclusions with only insignificant blemishes" = Internally Flawless (IF)
"minute" = Very Very Slightly Included (VVS)
"minor" = Very Slightly Included (VS)
"noticeable" = Slightly Included (SI)
"obvious" = Included (I) Answer: 8. What are the "buzz words" and the clarities they are
associated with?
to indicate extra facets, and, if the stone is mounted, the position of the metalwork Answer: 9.
When is black used on a plot?
where they appear face-up Answer: 10. Where are internal inclusions plotted?
wherever it breaks the surface Answer: 11. Where do we plot surface-reaching inclusions?
clarity characteristic Answer: 12. internal or external feature of a gemstone that helps determine
its quality and establish its identity
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
PRACTICE | EXAM QUESTIONS AND ANSWERS|
COMPLETE STUDY GUIDE WITH 100% ACCURATE
QUESTIONS & ANSWERS! EXCELLENCE
GUARANTEED!
Course Code:
Course Title:
Programme:
Academic Year: 2026/2027.
Duration: 2 Hours.
Total Marks: 100.
Candidate Instructions:
1) Write your Registration Number on every answer booklet used.
2) Answer ALL questions in Section A and ANY TWO (2) questions in Section B.
3) Read each question carefully before answering.
4) Begin each question on a new page.
5) The marks for each question are indicated in brackets.
6) This paper consists of several printed pages, including this page.
7) Ensure your copy is complete before the examination begins.
8) Unauthorized materials and communication with other candidates are not permitted.
Turn Over.
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, provides a universally accepted way to communicate diamond quality Answer: 1. What is the
advantage of using the GIA Diamond Grading System?
size, number, location (position), relief, & nature Answer: 2. What are the five clarity factors?
directly under the table Answer: 3. Where are inclusions most visible?
relief Answer: 4. contrast between an inclusion and its host gem
non-callable Answer: 5. What are clarity characteristics that don't affect the clarity grade
called?
shows no inclusions and no blemishes when examined under 10x magnification Answer: 6.
Describe a Flawless diamond.
- extra facets not visible face-up
- naturals entirely confined to the girdle as long as they don't thicken the girdle or distort its
outline
- internal graining that's not reflective, white, or colored, and doesn't significantly affect
transparency
- inscriptions that aren't internal and don't appear to penetrate the surface
- mounting features Answer: 7. What features can a diamond have, visible at 10x, and still be
considered Flawless?
"no inclusions & no blemishes" = Flawless (FL)
"no inclusions with only insignificant blemishes" = Internally Flawless (IF)
"minute" = Very Very Slightly Included (VVS)
"minor" = Very Slightly Included (VS)
"noticeable" = Slightly Included (SI)
"obvious" = Included (I) Answer: 8. What are the "buzz words" and the clarities they are
associated with?
to indicate extra facets, and, if the stone is mounted, the position of the metalwork Answer: 9.
When is black used on a plot?
where they appear face-up Answer: 10. Where are internal inclusions plotted?
wherever it breaks the surface Answer: 11. Where do we plot surface-reaching inclusions?
clarity characteristic Answer: 12. internal or external feature of a gemstone that helps determine
its quality and establish its identity
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
