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A Mark of the World Federation of Diamond Bourses

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Cut
4Cs - CUTCut is one of the four Cs [...]
Culet
The small point at the base of the [...]
Crown
The section of a diamond above the [...]
Cloud
A hazy area inside a diamond crystal. [...]
Color grading system
A relative system by which the color [...]
Color
4Cs- COLORColor is one of the four Cs [...]
Clarity grading system
A relative system by which the clarity [...]
Clarity
4Cs- CLARITYClarity is one of the four [...]
Channel setting
A jewelry setting in which a brilliant [...]
Champagne diamond
A marketing term for a brownish fancy [...]
Certified Gemologist (CG)
A Certified Gemologist (CG) is awarded [...]
Certified Gemologist Appraiser (CGA)
The title Certified Gemologist [...]
Certificate
Also referred to as a Diamond Grading [...]
Center stone
The most prominent gemstone set in the [...]
Carat
4Cs - CARATAGEA metric carat is the [...]

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