GIA DIAMOND ESSENTIALS FINAL EXAM (ACTUAL 2025/2026)
QUESTIONS AND VERIFIED CORRECT ANSWERS
Bezel facets
The crown angle is formed by the girdle plane and the
Off-center tables and misshapen facets
Symmetry variations include
Wings
On marquises, pears, and hearts, the sides near the points are
called
Proportions
The angles and relative measurements of a polished gem and
the relationships between them describe its
This is a half-carat diamond
An incorrect way to describe a 0.47 carat diamond to a
customer would be
,1.15 carats
If a ring is set with a 0.83 carat, center stone, two baguettes
that weigh 0.10 carat each, and six round brilliants that weigh
0.02 carats each, the total weight is
1.00 carat
A full-cut round brilliant diamond with a 6.50mm girdle
diameter weighs about
Weights at which prices increase dramatically
"Magic sizes" are
Culet
A diamond's depth is always the distance from the table to the
$3,600
If a diamond weighs 0.77 carat, and its price is $2,772, what is
its price per carat?
, 0.2 gram
One carat weighs
Melee
Very small diamonds are called
Hundrenths
Diamond weight should be rounded to
Rarity
In general, a large diamond is more valuable than an equal
weight of small diamonds because of its
100
How many points equal one carat?
Less than a carat
The majority of diamonds used in jewelry weigh
QUESTIONS AND VERIFIED CORRECT ANSWERS
Bezel facets
The crown angle is formed by the girdle plane and the
Off-center tables and misshapen facets
Symmetry variations include
Wings
On marquises, pears, and hearts, the sides near the points are
called
Proportions
The angles and relative measurements of a polished gem and
the relationships between them describe its
This is a half-carat diamond
An incorrect way to describe a 0.47 carat diamond to a
customer would be
,1.15 carats
If a ring is set with a 0.83 carat, center stone, two baguettes
that weigh 0.10 carat each, and six round brilliants that weigh
0.02 carats each, the total weight is
1.00 carat
A full-cut round brilliant diamond with a 6.50mm girdle
diameter weighs about
Weights at which prices increase dramatically
"Magic sizes" are
Culet
A diamond's depth is always the distance from the table to the
$3,600
If a diamond weighs 0.77 carat, and its price is $2,772, what is
its price per carat?
, 0.2 gram
One carat weighs
Melee
Very small diamonds are called
Hundrenths
Diamond weight should be rounded to
Rarity
In general, a large diamond is more valuable than an equal
weight of small diamonds because of its
100
How many points equal one carat?
Less than a carat
The majority of diamonds used in jewelry weigh
