GIA DIAMOND ESSENTIALS FULL
QUESTIONS AND CORRECT ANSWERS
VERIFIED CERTIFICATION STUDY PACK
●● Depth of color
Answer: the combination of tone and saturation that determines how
noticeable a color is
●● Fancy-colored diamonds
Answer: naturally colored yellow and brown diamonds that exhibit color
beyond the Z range, or that exhibit any other color face-up
●● Fluorescence
Answer: emission of visible light by a material when it's exposed to UV
radiation
●● Hue
Answer: your first impression of a color; the basic color of an object
●● Irradiation
Answer: a treatment that changes the color of a gem by exposing it to
radioactive materials
QUESTIONS AND CORRECT ANSWERS
VERIFIED CERTIFICATION STUDY PACK
●● Depth of color
Answer: the combination of tone and saturation that determines how
noticeable a color is
●● Fancy-colored diamonds
Answer: naturally colored yellow and brown diamonds that exhibit color
beyond the Z range, or that exhibit any other color face-up
●● Fluorescence
Answer: emission of visible light by a material when it's exposed to UV
radiation
●● Hue
Answer: your first impression of a color; the basic color of an object
●● Irradiation
Answer: a treatment that changes the color of a gem by exposing it to
radioactive materials
