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GIA Diamonds and Diamond Grading (2024/2025) FINAL EXAM QUESTIONS WITH VERIFIED CORRECT ANSWERS || 100% GUARANTEED PASS!!! <BRAND NEW VERSION> $12.49   Add to cart

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GIA Diamonds and Diamond Grading (2024/2025) FINAL EXAM QUESTIONS WITH VERIFIED CORRECT ANSWERS || 100% GUARANTEED PASS!!! <BRAND NEW VERSION>

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GIA Diamonds and Diamond Grading (2024/2025) FINAL EXAM QUESTIONS WITH VERIFIED CORRECT ANSWERS || 100% GUARANTEED PASS!!! &lt;BRAND NEW VERSION&gt; Why are multistep treatments used for diamond color? - ANSWER Rarity of starting material Where in the supply chain do diamond professiona...

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  • October 23, 2024
  • 107
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • GIA Diamonds and Diamond Grading
  • GIA Diamonds and Diamond Grading
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ProfBenjamin
GIA Diamonds and Diamond
Grading (2024/2025) FINAL EXAM
QUESTIONS WITH VERIFIED CORRECT
ANSWERS || 100% GUARANTEED PASS!!!
<BRAND NEW VERSION>


Why are multistep treatments used for diamond color? - ANSWER ✔ Rarity of
starting material

Where in the supply chain do diamond professionals and regulatory agencies
require disclosure of diamond treatments? - ANSWER ✔ Every time ownership
changes

What diamond clarity treatment relies on similar refractive index (RI) values? -
ANSWER ✔ Fracture filling

What are the spaces where displaced carbon atoms move to when irradiated? -
ANSWER ✔ Interstitial positions

What was the earliest method of diamond color treatment? - ANSWER ✔ Coating

What color treatment can be reversed to restore the diamond's original bodycolor?
- ANSWER ✔ Coating

How does LPHT treatment create color? - ANSWER ✔ Induces graphitization

Where are the openings of laser drill-holes typically found? - ANSWER ✔ Crown

What diamonds on the D-to-Z color scale are typically selected for color
treatment? - ANSWER ✔ Light yellow range

,What bodycolor results from HPHT treatment of a Type 1 diamond? - ANSWER
✔ Yellow

Where does acid enter an internally laser-drilled diamond? - ANSWER ✔
Cleavage

What lighting is best to use when looking for evidence of irradiation? - ANSWER
✔ Diffused

What diamond color treatment reorganizes color centers in the diamond crystal
lattice? - ANSWER ✔ Annealingg

What diamond clarity treatment disguises dark crystal inclusions? - ANSWER ✔
Laser drilling

Why can diamond color differ as a result of irradiation? - ANSWER ✔ Defects
present

What type of clarity characteristics determine the clarity grade of a dimaond? -
ANSWER ✔ Grade-setting

What characteristics are drawn only in green on a plot? - ANSWER ✔ Blemishes

What is a term that describes tone? - ANSWER ✔ Degree of darkness; lightness
of a color

What color becomes more prominent as warm hues become less saturated? -
ANSWER ✔ Brown

What term falls on the GIA D-Z color scale? - ANSWER ✔ Colorless, near-
colorless, faint, very light, light

What is the correlation between a mastertone and the grade it represents? -
ANSWER ✔ Universal standard, maintains consistency

,Why must a diamond be re-examined under magnification after color grading? -
ANSWER ✔ Confirm identity

What diamond size makes it easiest to see subtle color? - ANSWER ✔ The larger
the diamond, the easiest it is to see color

What results from averaging the sum of the smallest and largest diameters of a
round brilliant - ANSWER ✔ Average girdle diameter

How many crown angles on a round brilliant diamond should be estimated before
averaging? - ANSWER ✔ 8

What weight retention method lightly polished lower half facets? - ANSWER ✔
Painting

What may result from a thick, unpolished girdle? - ANSWER ✔ Grey, reflection
on the stone

How is a diamond positioned to estimate the lower half facet length percentage? -
ANSWER ✔ Face up position

Why do diamonds with steep crowns offer less vaule? - ANSWER ✔ Look
smaller face-up than weight suggest

What describes the polish quality and cut precision of a diamond? - ANSWER ✔
Craftmanship

What proportion greatly influences brightness in a round brilliant diamonds? -
ANSWER ✔ Table percentage

How do steep pavilion angles affect appearance? - ANSWER ✔ Produce dark
areas under the table

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

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

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

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