GIA Diamond Essentials assignment 1 Questions and Correct Answers, With Complete Verified Solution. 2024.
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GIA Diamond Essentials
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GIA Diamond Essentials
GIA Diamond Essentials assignment 1 Questions and Correct Answers, With Complete Verified Solution. 2024.
diamond uniqueness
only gem made of a single element (carbon); characteristic chemical composition and crystal structure make it a unique member of the mineral kingdom; formation under high...
GIA Diamond Essentials assignment 1 Questions
and Correct Answers, With Complete Verified Solution.
2024.
diamond uniqueness
only gem made of a single element (carbon); characteristic chemical composition and
crystal structure make it a unique member of the mineral kingdom; formation under high
temperature and pressure conditions (graphite is also carbon only but forms under a
very different condition so it's very soft)
value factors
Features used to judge the quality and value of all gemstones.
The four C's of diamonds
clarity, color, cut, carat; describe a finished diamond's quality; Ancient India used clarity,
color and carat to grade diamonds over 2000 yrs ago.
trace elements
atoms of chemical elements other than carbon caused fancy-colored diamonds; the
0.005 percent not carbon can include one or more trace elements.
Inclusion
clarity characteristic totally enclosed in a polished gemstone or extending into it from the
surface
blemish
Clarity characteristic that's confined to the surface of a polished gemstone.
Clarity characteristics
The collective term for inclusions and blemishes.
Lab-grown gem
A manmade (synthetic) gem with essentially the same chemical composition, crystal
structure, and optical and physical properties as the natural gem material.
Simulants/imitations/substitute
materials that simply look like natural gems; can be either natural or man-made
Diamond simulants
Any material that is not diamond or synthetic diamond, but which imitates a diamond's
appearance and is used in its place.
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