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HOK-DIA-TERM-204 · Cutting and anatomy
Crown angle
The angle of the main crown facets relative to the girdle reference plane, according to the measurement convention of the system being used.
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The records below form the terminology basis for this entry or its category. This does not mean that every source defines every word on this page. The canonical manuscript remains the primary contextual source, while each external standard, laboratory policy, or regulatory guideline applies only within its own scope.
Widely used definitions for color, clarity, cut, carat and optical appearance terms.
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