GIA Diamond Essentials Assignment 3
Questions and Correct Answers, With Complete
Verified Solution 2024.
GIA color scale
D to Z; each letter represents a range of color that's based on a combination of tone
(darkness or lightness), and saturation (intensity). The combination is called depth of
color.
Normal color range
Range of diamond colors from colorless to light yellow and light brown, also called the
D-to-Z range.
hue
your first impression of a color; the basic color of an object
Saturation
a color's strength or intensity, ranging from a dull hue to a pure vivid hue.
Depth of color
The combination of tone and saturation that determines how noticeable a color is
three dimensional color globe
tone, hue and saturation
Masterstones
A set of color-comparison diamonds that defines GIA diamond color grades in the
normal (D-to-Z) range.
consistent color grading
1 the masterstones
2 the environment (neutral color and consistent lighting)
3 the grader
- usually graded table down, color is more noticeable through pavilion; also from other
directions.
Fluorescence
Emission of visible light by a material when it's exposed to ultraviolet radiation.
Colored diamonds
Yellow, brown, and gray diamonds with more color than the Z masterstone, or that
exhibit any other color face-up; black/milky white are also colored diamonds.
The Hope diamond
The biggest blue diamond in the world
Grading colored diamonds
face-up; based on the presence of color
1. determine the characteristic color
2. compare to known color references.
Faint, very light, light, fancy light, fancy, fancy intense, fancy vivid, fancy dark, fancy
deep
Questions and Correct Answers, With Complete
Verified Solution 2024.
GIA color scale
D to Z; each letter represents a range of color that's based on a combination of tone
(darkness or lightness), and saturation (intensity). The combination is called depth of
color.
Normal color range
Range of diamond colors from colorless to light yellow and light brown, also called the
D-to-Z range.
hue
your first impression of a color; the basic color of an object
Saturation
a color's strength or intensity, ranging from a dull hue to a pure vivid hue.
Depth of color
The combination of tone and saturation that determines how noticeable a color is
three dimensional color globe
tone, hue and saturation
Masterstones
A set of color-comparison diamonds that defines GIA diamond color grades in the
normal (D-to-Z) range.
consistent color grading
1 the masterstones
2 the environment (neutral color and consistent lighting)
3 the grader
- usually graded table down, color is more noticeable through pavilion; also from other
directions.
Fluorescence
Emission of visible light by a material when it's exposed to ultraviolet radiation.
Colored diamonds
Yellow, brown, and gray diamonds with more color than the Z masterstone, or that
exhibit any other color face-up; black/milky white are also colored diamonds.
The Hope diamond
The biggest blue diamond in the world
Grading colored diamonds
face-up; based on the presence of color
1. determine the characteristic color
2. compare to known color references.
Faint, very light, light, fancy light, fancy, fancy intense, fancy vivid, fancy dark, fancy
deep
