EXAM CORRECT QUESTIONS &
ANSWERS
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
Fancy cuts - ANSWER Gem shapes and cutting styles other than the standard round
brilliant are called
Blemishes - ANSWER Clarity characteristics confined to the surface of a polished
diamond are called
- ANSWER The term "point" in reference to weight is equal to
Hardness - ANSWER A gemstone's resistance to scratching is known as its
A half carat of diamonds - ANSWER On average, mine workers must process more
than a ton of rock to recover
Fire - ANSWER The flashes of color you see in a polished diamond are called
57 or 58 facets - ANSWER A standard round brilliant-cut diamond has
Are mostly triangular or kite-shaped - ANSWER The term brilliant cut is used for
gemstones with facets that
More impact on a diamond's value - ANSWER Compared to blemishes, inclusions
normally have
Girdle - ANSWER The three major parts of a polished diamond are crown, pavilion, and
Apparent clarity - ANSWER Fracture filling can dramatically affect a diamond's
Knot - ANSWER An included diamond crystal that reaches the surface of a cut diamond
is called a
, Loupe - ANSWER The most convenient and inexpensive magnifier adequate for
diamond grading is the
Bearding - ANSWER Which of the following is a result of the bruting process?
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
Finish - ANSWER The quality of the polish and precision of the cut of a fashioned
gemstone is its
3:1 - ANSWER If a marquise cut measures 9mm X 3mm, its length-to-width ration is