Primary internal terminology and context source across 105 chapters.
HOK-DIA-TERM-162 · Optics
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An optical pattern that can appear in very precisely aligned round brilliant diamonds under an appropriate viewer. It is not a standalone universal laboratory cut grade.
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TERM USAGE
How this term is used on the platform
- Synonyms / variants
- H&A
- Discouraged
- ideal cut as an automatic synonym
- Editorial note
- Separate the market or optical description from an official grade.
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TERMINOLOGY BASIS
Sources and authorities
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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