HOUSE OF KACINARIVeritas supra omnia
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4Cs and grading

Eye-clean

A trade and practical description meaning that relevant inclusions are not visible to the naked eye under certain viewing conditions. It is not a laboratory clarity grade.

Accepted international termStable7 chapters
TERM USAGE

How this term is used on the platform

Editorial note
Without a stated distance, lighting, viewing direction, and observer, the term is not comparable between stones.
FORM IN THE CROATIAN EDITION

How the Croatian edition writes this term

Level
International term in italics
Form
eye-clean
RELATED TERMS

Terminology network

Clarity4Cs and gradingClarity grade4Cs and gradingInclusionInclusions and internal structureFace-upCutting and anatomy
FULL CONTEXT

Related chapters of The Book

025The 4Cs as a Common Language—and Their LimitsIV · THE 4CS AND GRADING028Clarity GradingIV · THE 4CS AND GRADING044Clouds, Pinpoints, Graining, and Twinning WispsVI · INCLUSIONS, DEFECTS, AND CLARITY047Clarity Plots, Clarity, and DurabilityVI · INCLUSIONS, DEFECTS, AND CLARITY090Purchase Goals, Budget, and PrioritiesXII · BUYING, PRICE, AND VALUE091How to Select and Compare a DiamondXII · BUYING, PRICE, AND VALUE092Buying OnlineXII · BUYING, PRICE, AND VALUE
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.

House of KacinariDiamonds: The Book

Primary internal terminology and context source across 105 chapters.

GIAGIA 4Cs / Diamond Quality Factors

Widely used definitions for color, clarity, cut, carat and optical appearance terms.

Back to glossaryTerminology Standard