100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
Previously searched by you
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
GIA Diamonds and Diamond Grading (2024/2025) FINAL EXAM QUESTIONS WITH VERIFIED CORRECT ANSWERS || 100% GUARANTEED PASS!!! <BRAND NEW VERSION>
0 view 0 purchase
Course
GIA Diamonds and Diamond Grading
Institution
GIA Diamonds And Diamond Grading
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 professiona...
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 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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ProfBenjamin. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
