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GIA DIAMONDS AND DIAMOND GRADING FINAL EXAM
NEWEST 2026/2027 COMPLETE ALL 180 QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+||JUST OUT!!!
What parameters is measured at the belly of an oval? -
ANSWER-Width
What are the clarity fractors used for grading fancy cuts? -
ANSWER-Size, number, location, relief, nature
How does graders view the bow-tie effect in a stone? -
ANSWER-Face-up
What is a fancy shape diamond compared to when judging
appeal? - ANSWER-Should be graceful and pleasing
Should be the standard for their particular shape and style
What is a square or rectangular modified brilliant cut? -
ANSWER-Radiant
Why is the face down diagonal direction used for color grading
fancy-cut diamonds? - ANSWER-Shows average amount of color
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What helps reveal inclusions hidden by a moutning? - ANSWER-
Reflections
What clarity grade can a potential become? - ANSWER-They can
be repolished to improve clarity up to an internally flawless
grade
What is a consideration for diamond recutting? - ANSWER-Cost
to recut
What do appraisers assign to small mounted diamonds when
clarity grading? - ANSWER-Range of grades
What value adding process does a diamond mining company
perform? - ANSWER-Categorize and sorting the diamonds
What trade organization formed in 2015 to expand demand for
the diamond industry? - ANSWER-Diamond producers
association (DPA)
What advertising method is key to the current diamond
market? - ANSWER-Internet
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What industrial-grade diamond typically form as single very
included crystals? - ANSWER-Bort
What made it difficult for independent claim holders to survive
during the diamond rush in South Africa? - ANSWER-Expenses
What metal dominated melts related to CLIPPIR diamond
formation? - ANSWER-Iron
What layer is solid but has a portion that is mobile? - ANSWER-
mantle
Which of these is a metamorphic rock? - ANSWER-Eclogite
Where do most lithospheric diamonds form? - ANSWER-Mantle
keels
What deposit type produces a higher percentage of gem-quality
stones? - ANSWER-Secondary, rock erodes/washes away leaving
diamonds
GIA DIAMONDS AND DIAMOND GRADING FINAL EXAM
NEWEST 2026/2027 COMPLETE ALL 180 QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+||JUST OUT!!!
What parameters is measured at the belly of an oval? -
ANSWER-Width
What are the clarity fractors used for grading fancy cuts? -
ANSWER-Size, number, location, relief, nature
How does graders view the bow-tie effect in a stone? -
ANSWER-Face-up
What is a fancy shape diamond compared to when judging
appeal? - ANSWER-Should be graceful and pleasing
Should be the standard for their particular shape and style
What is a square or rectangular modified brilliant cut? -
ANSWER-Radiant
Why is the face down diagonal direction used for color grading
fancy-cut diamonds? - ANSWER-Shows average amount of color
,2|Page
What helps reveal inclusions hidden by a moutning? - ANSWER-
Reflections
What clarity grade can a potential become? - ANSWER-They can
be repolished to improve clarity up to an internally flawless
grade
What is a consideration for diamond recutting? - ANSWER-Cost
to recut
What do appraisers assign to small mounted diamonds when
clarity grading? - ANSWER-Range of grades
What value adding process does a diamond mining company
perform? - ANSWER-Categorize and sorting the diamonds
What trade organization formed in 2015 to expand demand for
the diamond industry? - ANSWER-Diamond producers
association (DPA)
What advertising method is key to the current diamond
market? - ANSWER-Internet
, 3|Page
What industrial-grade diamond typically form as single very
included crystals? - ANSWER-Bort
What made it difficult for independent claim holders to survive
during the diamond rush in South Africa? - ANSWER-Expenses
What metal dominated melts related to CLIPPIR diamond
formation? - ANSWER-Iron
What layer is solid but has a portion that is mobile? - ANSWER-
mantle
Which of these is a metamorphic rock? - ANSWER-Eclogite
Where do most lithospheric diamonds form? - ANSWER-Mantle
keels
What deposit type produces a higher percentage of gem-quality
stones? - ANSWER-Secondary, rock erodes/washes away leaving
diamonds
