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Exam (elaborations)

GIA GEM 230 - Diamonds & Diamond Grading Exam Answered Correctly

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GIA GEM 230 - Diamonds & Diamond Grading Exam Answered Correctly

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GIA Diamonds And Diamond Grading
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Institution
GIA Diamonds and Diamond Grading
Course
GIA Diamonds and Diamond Grading

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Uploaded on
December 17, 2025
Number of pages
46
Written in
2025/2026
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GIA GEM 230 - Diamonds & Diamond Grading Exam Answered
Correctly

1. The diamond rush began with the the Star of South Africa in 1869
discovery of .
2. Cecil Rhodes wanted to trying to control production
stabilize diamond prices, so he
started by
.

3. Cecil Rhodes established De Beers Consolidated Mines Ltd.
in 1888 to direct mining
opera- tions.

4. When it couldn't own every mine, rough
De Beers began buying
from other producers to
safe- guard diamond prices
and en- sure market
stability.
5. heightened demand Military needs during WWII
for industrial diamond
rough.

6. Rough is sorted into size, shape, clarity, and color
categories based on .

7. At a sight, the present-
ed a customized selection of CSO
di- amonds to each sight
holder for acceptance.

8. Central Selling
Organization (CSO)
an agency designed to purchase, sort, evaluate, and
sell rough diamonds

9. Digger an independent diamond prospector
10. Dry Diggings




, GIA GEM 230 - Diamonds & Diamond Grading Exam Answered
Correctly
a prospector's term for diamond deposits away from
water

11. London Diamond Syndicate a group of diamond merchants that united in 1890
buy
and sell rough diamonds

12. Diamond Pipeline the path diamonds followed from the mine to
the con- sumer

13. Sight trading event where selected clients buy rough
diamonds
14. Sightholder a diamond manufacturer or dealer invited by De
Beers to buy rough diamonds

15. Single-Channel Marketing a direct, centrally controlled marketing route for roug
diamonds

16. Special a rough diamond over 10.80 cts. sold
separately to a slight holder who specialized
in larger stones

17. The CSO controlled buying and holding supplies until demand increas
diamond prices by .

18. Beneficaton helps countries exer- greater
cise control over their
nat- ural mineral resources.

19. De Beers' advocacy of had corporate responsibility
a more profound impact on
the diamond market than its
advoca- cy of branding.
20. Asia, especially China and India





, GIA GEM 230 - Diamonds & Diamond Grading Exam Answered
Correctly
The future of the diamond mar-
ket in manufacturing and
con- sumption may be in
.

21. Benefication a commitment to reserve a portion of the
resources de- rived from any country for the
economic development of that country

22. Best Practice Principles (BPP) De Beers' formalized commitment of itself and its sig
holders to the highest ethical standards

23. Cutting Center a city, region, or country with a large number of
gemstone manufacturers

24. Kimberley Process (KP) diamond industry program designed to ensure tha
dia-
monds crossing international borders are legitimate
and don't fund civil conflict or terrorism

25. Supplier of Choice program adopted by De Beers in 2001, in which
it re- quired its sight holders to help increase
market demand for diamonds

26. Supplier of Choice 2 program adopted by De Beers in 2007 to answer
critics
and resolve shortcomings of its original SOC program

27. Vertical Integration involvement of a business or industry in all aspects o
its
product's market

28. Diamonds form in , diamond formation is .
which are located only under
continen- tal landmasses.

29. The carbon needed for


, GIA GEM 230 - Diamonds & Diamond Grading Exam Answered
Correctly
cratons




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