Primary internal terminology and context source across 105 chapters.
HOK-DIA-TERM-142 · 4Cs and grading
Flawless
The highest GIA clarity category for a diamond with no inclusions or blemishes visible to a skilled grader at 10× magnification under prescribed conditions.
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TERM USAGE
How this term is used on the platform
- Synonyms / variants
- FL
- Discouraged
- perfect diamond
- Editorial note
- It does not mean the stone has no atomic defects or that it is indestructible.
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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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