Primary internal terminology and context source across 105 chapters.
HOK-DIA-TERM-161 · Cutting and anatomy
Heart shape
A fancy heart-shaped outline whose visual quality strongly depends on lobe symmetry, the cleft, and the lower point.
PreferredStable1 chapter
RELATED TERMS
Terminology network
FULL CONTEXT
Related chapters of The Book
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.
Open official source ↗