Diamond Essentials Exam Questions With
Correct Answers
____ is an important factor in diamond jewelry sales. - answer✔✔Romance
Diamond is a mineral made of a single element: ____ - answer✔✔Carbon
A diamond's value is based on its own unique combination of the ____ - answer✔✔Four Cs
____ normally have a bigger impact on a diamond's beauty and value than blemishes -
answer✔✔Inclusions
Diamond is the most ____ gemstone - answer✔✔Durable
Diamonds are expensive because they're ____ and costly to mine - answer✔✔Rare
____ ____ are effective diamond sales tools - answer✔✔Brand names
A small, four-sided step cut that's rectangular, square or tapered - answer✔✔Baguette
Clarity characteristic that's confined to the surface of a gemstone - answer✔✔Blemish
Cutting style that's developed, named and promoted by a specific manufacturer -
answer✔✔Branded cut
The affect of a diamond's internal and external reflections of white light - answer✔✔Brightness
Cutting style with triangular or kite-shaped facets that radiate from the center towards the girdle -
answer✔✔Brilliant cut
The collective term for inclusions and blemishes - answer✔✔Clarity characteristics
Top part of a gem above the girdle - answer✔✔Crown
Small facet at the bottom of a finished gem - answer✔✔Culet
A gemstone's ability to withstand wear, heat and chemicals - answer✔✔Durability
A flat, polished surface of a finished gemstone - answer✔✔Facet
The flashes of color you see in a polished diamond - answer✔✔Fire
Four value factors (clarify, color, cut and carat weight) that describe the quality of a finished
diamond - answer✔✔Four Cs
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 - answer✔✔Girdle
How well a gemstone resists scratches and abrasions - answer✔✔Hardness
Clarity characteristic totally enclosed in a polished gemstone or extending into it from the
surface - answer✔✔Inclusion
A unit of measurement for the fineness of gold - answer✔✔Karat
The international measurement for gem weight - answer✔✔Carat
How much is one carat? - answer✔✔One fifth of a gram
Cut that combines brilliant-cut and step-cut styles - answer✔✔Mixed cut
Ranking of relative hardness of 10 minerals - answer✔✔Mohs scale
Lower part of a faceted gem below the girdle - answer✔✔Pavilion
One hundredth of a carat - answer✔✔Point
The flashes of light and contrasting dark you see when the diamond, the light or the observer
moves - answer✔✔Scintillation
A natural or man made material that imitates a gem - answer✔✔Simulant
A round stone with 17 to 18 facets - answer✔✔Single cut
How well a diamond resists chemicals and temperature changes - answer✔✔Stability
A round brilliant cut stone with 57 or 58 facets (often called a full cut) - answer✔✔Standard
round brilliant
A cutting style that features long, narrow facets in rows parallel to the girdle on both the crown
and the pavilion - answer✔✔Step cut
A man made gem with essentially the same chemical composition, crystal structure, crystal
structure and properties of a natural gem - answer✔✔Synthetic gem
Damage caused by sudden, extreme temperature changes - answer✔✔Thermal shock
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