Primary internal terminology and context source across 105 chapters.
HOK-DIA-TERM-136 · Cutting and anatomy
Facet
An intentionally polished flat surface on a gem. The arrangement, angles, and relationships among facets determine much of the optical behavior of a cut diamond.
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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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