GIA DIAMOND ESSENTIALS BUNDLE EXAM
WITH COMPLETE SOLUTIONS TEST BANK
2026 UPDATED QUESTIONS WITH
ANSWERS GRADED A+
⩥ Culet. Answer: Small facet at the bottom of a finished gem
⩥ Durability. Answer: A gemstone's ability to withstand wear, heat, and
chemicals
⩥ Facet. Answer: A flat, polished surface on a finished gem
⩥ Fancy cut. Answer: Any gemstone shape or cutting style other than a
standard round brilliant
⩥ Fire. Answer: The flashes of colour you see in a polished diamond
⩥ Four Cs. Answer: Four value factors (clarity, colour, cut, and carat
weight) that describe the quality of a finished gem and also relates
primarily to its value
,⩥ Girdle. Answer: The narrow section of a finished gem that forms the
boundary between the crown and the pavilion and functions as the gem's
setting edge
⩥ Hardness. Answer: How well a gemstone resists scratches and
abrasion
⩥ Inclusion. Answer: Clarity characteristic totally enclosed in a polished
gemstone or extending into it from the surface
⩥ Karat. Answer: A unit for the fineness of gold, abbreviated "K" or
"Kt"
⩥ Metric carat. Answer: The international unit of measure for gram
weight. One carat equals one-fifth of a gram (0.200g)
⩥ Mixed cut. Answer: Cut that combines brilliant-cut and step-cut styles
⩥ Mohs scale. Answer: Ranking of the relative hardness of 10 minerals
⩥ Pavilion. Answer: Lower part of a faceted gem below the girdle
⩥ Point. Answer: One hundredth of a carat (0.01ct)
, ⩥ Scintillation. Answer: The flashes of light and the contrasting dark
areas you see when the diamond, the light, or the observer moves
⩥ Simulant. Answer: A natural or manmade material that resembles a
gem (also called imitation)
⩥ Single cut. Answer: A round stone with 17 or 18 facets
⩥ Stability. Answer: How well a diamond resists chemicals and
temperature changes
⩥ Standard round brilliant. Answer: A round brilliant-cut stone with 57
or 58 facets. Often called a full cut
⩥ Step cut. Answer: A cutting style that features long narrow facets in
rows parallel to the girdle on both the crown and pavilion
⩥ Synthetic gem. Answer: A manmade gem with essentially the same
chemical composition, crystal structure, and properties as a natural gem
⩥ Thermal shock. Answer: Damages caused by sudden, extreme
temperature changes
WITH COMPLETE SOLUTIONS TEST BANK
2026 UPDATED QUESTIONS WITH
ANSWERS GRADED A+
⩥ Culet. Answer: Small facet at the bottom of a finished gem
⩥ Durability. Answer: A gemstone's ability to withstand wear, heat, and
chemicals
⩥ Facet. Answer: A flat, polished surface on a finished gem
⩥ Fancy cut. Answer: Any gemstone shape or cutting style other than a
standard round brilliant
⩥ Fire. Answer: The flashes of colour you see in a polished diamond
⩥ Four Cs. Answer: Four value factors (clarity, colour, cut, and carat
weight) that describe the quality of a finished gem and also relates
primarily to its value
,⩥ Girdle. Answer: The narrow section of a finished gem that forms the
boundary between the crown and the pavilion and functions as the gem's
setting edge
⩥ Hardness. Answer: How well a gemstone resists scratches and
abrasion
⩥ Inclusion. Answer: Clarity characteristic totally enclosed in a polished
gemstone or extending into it from the surface
⩥ Karat. Answer: A unit for the fineness of gold, abbreviated "K" or
"Kt"
⩥ Metric carat. Answer: The international unit of measure for gram
weight. One carat equals one-fifth of a gram (0.200g)
⩥ Mixed cut. Answer: Cut that combines brilliant-cut and step-cut styles
⩥ Mohs scale. Answer: Ranking of the relative hardness of 10 minerals
⩥ Pavilion. Answer: Lower part of a faceted gem below the girdle
⩥ Point. Answer: One hundredth of a carat (0.01ct)
, ⩥ Scintillation. Answer: The flashes of light and the contrasting dark
areas you see when the diamond, the light, or the observer moves
⩥ Simulant. Answer: A natural or manmade material that resembles a
gem (also called imitation)
⩥ Single cut. Answer: A round stone with 17 or 18 facets
⩥ Stability. Answer: How well a diamond resists chemicals and
temperature changes
⩥ Standard round brilliant. Answer: A round brilliant-cut stone with 57
or 58 facets. Often called a full cut
⩥ Step cut. Answer: A cutting style that features long narrow facets in
rows parallel to the girdle on both the crown and pavilion
⩥ Synthetic gem. Answer: A manmade gem with essentially the same
chemical composition, crystal structure, and properties as a natural gem
⩥ Thermal shock. Answer: Damages caused by sudden, extreme
temperature changes
