Hierarchy classification:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Attributes and Properties (hierarchy name)
4. [attributes and properties by specific type]
5. form attributes
6. [form attributes for gems]
7. gemstone cuts

Additional parents:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Attributes and Properties
4. attributes and properties by specific type
5. form attributes
6. form attributes for gems
7. gemstone cuts
8. diamond cuts

Anotations

Scope note:

A gem or diamond cut style with a squared table, bordered by four long narrow facets that are step cut in the shape of equal isosceles trapezoids. When there are several rows of steps and the corners are chamfered, use emerald cut.