GIA DIAMOND ESSENTIALS PRACTICE QUESTIONS
WITH CORRECT ANSWERS
The term "point" in reference to weight is equal to - CORRECT ANSWER -0.01 carat
Compared to blemishes, inclusions normally have - CORRECT ANSWER -more impact on a
diamond's value
An included diamond crystal that reaches the surface of a cut diamond is called a - CORRECT
ANSWER -knot (K)
A diamond that's graded Flawless might still have - CORRECT ANSWER -extra facets on the
pavilion not visible face up
When part of the rough crystal's original surface is left on a fashioned diamond, it's called a -
CORRECT ANSWER -natural (N)
The combination of the Four C's relates primarily to - CORRECT ANSWER -value
One carat weighs - CORRECT ANSWER -0.200 gram or 1/5 gram
The small, flat, polished surfaces on a finished diamond are called - CORRECT ANSWER -facets
Most diamonds used in jewelry are - CORRECT ANSWER -nearly colorless to very light yellow or
light brown
Diamond is composed mostly of - CORRECT ANSWER -Carbon
, Gem shapes and cutting styles other than the standard round brilliant are called - CORRECT
ANSWER -fancy cuts
Clarity characteristics confined to the surface of a polished diamond are called - CORRECT
ANSWER -blemishes
A gemstone's resistance to scratching is known as its - CORRECT ANSWER -hardness
On average, mine workers must process more than a ton of rock to recover - CORRECT ANSWER
-a half carat of diamonds
The flashes of color you see in a polished diamond are called - CORRECT ANSWER -fire
A standard round brilliant-cut diamond has - CORRECT ANSWER -57 or 58 facets
The term brilliant cut is used for gemstones with facets that - CORRECT ANSWER -are mostly
triangular or kite-shaped
The three major parts of a polished diamond are crown, pavilion, and - CORRECT ANSWER -
girdle
Fracture filling can dramatically affect a diamond's - CORRECT ANSWER -apparent clarity
The most convenient and inexpensive magnifier adequate for diamond grading is the - CORRECT
ANSWER -loupe
Bearding can result from what process? - CORRECT ANSWER -bruting
WITH CORRECT ANSWERS
The term "point" in reference to weight is equal to - CORRECT ANSWER -0.01 carat
Compared to blemishes, inclusions normally have - CORRECT ANSWER -more impact on a
diamond's value
An included diamond crystal that reaches the surface of a cut diamond is called a - CORRECT
ANSWER -knot (K)
A diamond that's graded Flawless might still have - CORRECT ANSWER -extra facets on the
pavilion not visible face up
When part of the rough crystal's original surface is left on a fashioned diamond, it's called a -
CORRECT ANSWER -natural (N)
The combination of the Four C's relates primarily to - CORRECT ANSWER -value
One carat weighs - CORRECT ANSWER -0.200 gram or 1/5 gram
The small, flat, polished surfaces on a finished diamond are called - CORRECT ANSWER -facets
Most diamonds used in jewelry are - CORRECT ANSWER -nearly colorless to very light yellow or
light brown
Diamond is composed mostly of - CORRECT ANSWER -Carbon
, Gem shapes and cutting styles other than the standard round brilliant are called - CORRECT
ANSWER -fancy cuts
Clarity characteristics confined to the surface of a polished diamond are called - CORRECT
ANSWER -blemishes
A gemstone's resistance to scratching is known as its - CORRECT ANSWER -hardness
On average, mine workers must process more than a ton of rock to recover - CORRECT ANSWER
-a half carat of diamonds
The flashes of color you see in a polished diamond are called - CORRECT ANSWER -fire
A standard round brilliant-cut diamond has - CORRECT ANSWER -57 or 58 facets
The term brilliant cut is used for gemstones with facets that - CORRECT ANSWER -are mostly
triangular or kite-shaped
The three major parts of a polished diamond are crown, pavilion, and - CORRECT ANSWER -
girdle
Fracture filling can dramatically affect a diamond's - CORRECT ANSWER -apparent clarity
The most convenient and inexpensive magnifier adequate for diamond grading is the - CORRECT
ANSWER -loupe
Bearding can result from what process? - CORRECT ANSWER -bruting
