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GIA Diamonds and Diamond Grading Final Exam ||
Most Recent Exam 2026 Actual Complete Real Exam
Questions And Correct Answers ||Verified
Exam!!!(Verified Answers) Already Graded A+ | Newest
Exam!!
The concentration of diamonds within a pipe is called...
A. drift
B. ore grade
C. overburden
D. rough grade - Answers-B. ore grade
A profitable mine...
A. is close to a source of water
B. has a high percentage of micro diamonds
C. meets governmental and environmental regulations
D. produces diamonds whose value is higher than the
mine's operating costs - Answers-D. produces diamonds
whose value is higher than the mine's operating cost
Diamond rough suitable for use in jewelry is called...
A. cuttable
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B. grade A
C. top quality
D. jewelry quality - Answers-A. cuttable
Diamond rough suitable for use in tools, drills and
abrasives is...
A. cuttable quality
B. industrial quality
C. primarily from marine deposits
D. a byproduct of the exploration process - Answers-B.
industrial quality
Gravity sorting separates diamonds from...
A. river gravels
B. lighter materials
C. heavier materials
D. indicator materials - Answers-B. lighter materials
The first step in exploring for diamonds is to...
A. collect bulk samples of ore
B. search for ancient volcanoes
,3|Page
C. look for the oldest parts of the earth's crust
D. examine river gravels for indicator minerals - Answers-
C. look for the oldest parts of the earth's crust
Indicator minerals in kimberlite and lamproite might
include tiny...
A. emeralds
B. sapphires
C. amethysts
D. diamonds - Answers-D. diamonds
Diamonds classified as cuttable can be 100 times more
valuable than...
A. marine diamonds
B. alluvial diamonds
C. industrial diamonds
D. gem quality diamonds - Answers-C. industrial diamonds
Most of the diamonds mined today come from...
A. pipes
B. beaches
, 4|Page
C. riverbeds
D. ocean floor - Answers-A. pipes
A mine's potential profitability depends in part on...
A. its ore grade
B. its location on a craton
C. having a small, compact pipe
D. a good kimberlite-to-lamproite ratio - Answers-A. its ore
grade
The Argyle mine is famous for diamonds that are...
A. pink
B. blue
C. large
D. colorless - Answers-A. pink
On a well made diamond, the girdle will...
A. look like a knife edge
B. have just enough thickness to prevent chipping
C. show its reflection when view through the table
GIA Diamonds and Diamond Grading Final Exam ||
Most Recent Exam 2026 Actual Complete Real Exam
Questions And Correct Answers ||Verified
Exam!!!(Verified Answers) Already Graded A+ | Newest
Exam!!
The concentration of diamonds within a pipe is called...
A. drift
B. ore grade
C. overburden
D. rough grade - Answers-B. ore grade
A profitable mine...
A. is close to a source of water
B. has a high percentage of micro diamonds
C. meets governmental and environmental regulations
D. produces diamonds whose value is higher than the
mine's operating costs - Answers-D. produces diamonds
whose value is higher than the mine's operating cost
Diamond rough suitable for use in jewelry is called...
A. cuttable
,2|Page
B. grade A
C. top quality
D. jewelry quality - Answers-A. cuttable
Diamond rough suitable for use in tools, drills and
abrasives is...
A. cuttable quality
B. industrial quality
C. primarily from marine deposits
D. a byproduct of the exploration process - Answers-B.
industrial quality
Gravity sorting separates diamonds from...
A. river gravels
B. lighter materials
C. heavier materials
D. indicator materials - Answers-B. lighter materials
The first step in exploring for diamonds is to...
A. collect bulk samples of ore
B. search for ancient volcanoes
,3|Page
C. look for the oldest parts of the earth's crust
D. examine river gravels for indicator minerals - Answers-
C. look for the oldest parts of the earth's crust
Indicator minerals in kimberlite and lamproite might
include tiny...
A. emeralds
B. sapphires
C. amethysts
D. diamonds - Answers-D. diamonds
Diamonds classified as cuttable can be 100 times more
valuable than...
A. marine diamonds
B. alluvial diamonds
C. industrial diamonds
D. gem quality diamonds - Answers-C. industrial diamonds
Most of the diamonds mined today come from...
A. pipes
B. beaches
, 4|Page
C. riverbeds
D. ocean floor - Answers-A. pipes
A mine's potential profitability depends in part on...
A. its ore grade
B. its location on a craton
C. having a small, compact pipe
D. a good kimberlite-to-lamproite ratio - Answers-A. its ore
grade
The Argyle mine is famous for diamonds that are...
A. pink
B. blue
C. large
D. colorless - Answers-A. pink
On a well made diamond, the girdle will...
A. look like a knife edge
B. have just enough thickness to prevent chipping
C. show its reflection when view through the table
