Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
diamond grading system
|
| gptkbp:appliesTo |
gptkb:jewelry
|
| gptkbp:component |
gptkb:color
cut clarity carat |
| https://www.w3.org/2000/01/rdf-schema#label |
Four Cs of Diamond Grading
|
| gptkbp:introduced |
gptkb:Gemological_Institute_of_America
|
| gptkbp:purpose |
standardize diamond quality assessment
|
| gptkbp:usedIn |
diamond evaluation
|
| gptkbp:bfsParent |
gptkb:4Cs
|
| gptkbp:bfsLayer |
6
|