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Exam (elaborations)

GIA DIAMOND ESSENTIALS FINAL EXAM

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GIA DIAMOND ESSENTIALS FINAL EXAM

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  • August 4, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • GIA DIAMOND ESSENTIALS
  • GIA DIAMOND ESSENTIALS
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GEEKA
GIA DIAMOND ESSENTIALS FINAL EXAM
Value - answer- The combination of the Four C's relates primarily to

0.200 gram - answer- The metric carat equals

Facets - answer- The small, flat, polished surfaces on a finished diamond are called

- answer- Most diamonds used in jewelry are

Carbon - answer- Diamond is composed primarily of

SI1 or SI2 - answer- A diamond with "noticeable inclusions at 10X would receive which
of the following clarity grades?

Slightly included - answer- You should tell your customers that the SI designation
means

Plot - answer- A detailed map of a diamond, showing its clarity characteristics, is called
a

Extra facets on the pavilion not visible face up - answer- A diamond that's graded
Flawless might still have

Inclusions - answer- The general term for clarity characteristics within a diamond is

Natural - answer- When part of the rough crystal's original surface is left on a fashioned
diamond, it's called a

Nature - answer- One of the five factors that determine the overall effect of inclusions on
clarity is

10X - answer- The standard magnification used for clarity grading is

Clarity characteristics - answer- In describing inclusions to customers, which of the
following terms would probably be best to use?

Feather - answer- The general term for any break in a diamond is

Blemishes - answer- Clarity characteristics limited to the surface of a diamond are
called

Tone & saturation - answer- To color grade a light yellow or brown diamond, graders
compare it to a masterstone for

, H - answer- Which of the following GIA color grades indicates the greatest amount of
yellow?

- answer- The most common color of fluorescence in gem-quality diamond is

A range of color - answer- Each letter grade in the GIA Color Scale represents

D - answer- On the GIA color scale, the top grade in the normal color range is

- answer- The most commonly encountered colors among colored diamonds are

Colorless to light yellow, brown, and gray - answer- The normal color range of diamonds
is

Red & purple - answer- Which of the diamond colors listed here are the most rare?

M - answer- Most consumers can easily see color beyond

Heat - answer- Irradiated diamonds might change color when exposed to

Z - answer- Which masterstone does the GIA Laboratory use to determine the point
where a yellow diamond transitions to the colored diamond grading scale?

Depth of color - answer- The combination of tone & saturation that determines how
noticeable a color is, is known as

Rarity - answer- The price differences between colorless diamonds and near-colorless
diamonds are due primarily to

Colorless face-up - answer- When mounted, G, H, and I color diamonds can look

Heating - answer- The annealing of irradiated diamonds to stabilize their color is done
by

- answer- An unattractive gray ring under the table may be present in diamonds with

Symmetry - answer- The balance of a finished gem's cut is known as its

Bow-ties - answer- On fancy shapes such as the oval or pear, variations in the pavilion
might cause

Pavilion main facets - answer- The pavilion angel is the angle formed by the girdle plane
and the

Average girdle diameter - answer- Pavilion depth percentage is expressed as a
percentage of the

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