MyAppraiser considers multiple geometric parameters of a stone. Some parameters are defined only for specific cutting types, and some are universal.
Cut parameters
| Name | Link to the description |
|---|---|
| Table | Table and Table Symm |
GirdleRatio (specific to Oval) | Girdle Ratio |
SquareDeviation (specific to Oval) | Square Deviation |
| CrownAngle | Facets' slopes and azimuth angles |
| PavilionAngle | |
| StarLength | Star Length and Star Length Symm |
| LowerGirdleLength | Lower Girdle Length and Lower Girdle Length Symm |
| GirdleBezel | |
| GirdleValley | |
| CrownHeight | Crown Height and Crown Height Symm |
| PavilionHeight | Pavilion depth |
| TotalHeight | Total height |
| Culet | Culet |
| CrownPainting |
|
| PavilionPainting | |
| SumPainting | |
| GirdleAngleMax | Girdle Angle Max |
| HeightGirdleExtraFacet |
|
| GirdleCrownExtraFacet | |
| GirdlePavilionExtraFacet | |
| GirdleExtraFacets |
Symmetry parameters
Unless specified otherwise, symmetry parameter is just the difference between the maximum and minimum values of a multi-valued parameter.
| Name | Link to the description |
|---|---|
| Diameter | Diameters, Width & Length |
| Table | Table and Table Symm |
Shape (specific to Oval) | Shape |
CrownBreadth (specific to Oval) | Crown Breadth |
| CrownAngle | Facets' slopes and azimuth angles |
| PavilionAngle | |
| CrownPointAngle (specific to Oval) |
|
| CrownWingAngle (specific to Oval) | |
| PavilionWingAngle (specific to Oval) | |
| StarLength | Star Length and Star Length Symm |
| LowerGirdleLength | Lower Girdle Length and Lower Girdle Length Symm |
| GirdleBezel | Girdle Thickness |
| GirdleBezelLocal | Girdle thickness local deviations |
| StarAngle |
|
| UpperGirdleAngle | |
| LowerGirdleAngle | |
| CrownHeight | Crown Height and Crown Height Symm |
| PavilionDepth (also known as PavilionHieight) | Pavilion depth |
| GirdleValley | Girdle Thickness |
| GirdleValleyLocal | Girdle thickness local deviations |
| GirdleBone | Girdle Thickness |
| GirdleBoneLocal | Girdle thickness local deviations |
| 2RRoundness22_5 | |
| 2RRoundness45 | |
| 2RRoundness90 | |
| TableOffset | |
| CuletOffset | |
| TableCuletOffset | |
| CuletOffsetWidthWise (specific to Oval) | |
| CuletOffsetLengthWise (specific to Oval) | |
| TableEdge_TEV | Table Edge |
| BezelWidth | Bezel Width |
| StarEdge | Star Edge and Star Edge Symm |
| VertexAzimuth | Vertex Azimuth |
| CrownPainting | Painting parameters |
| PavilionPainting | |
| TableAngle | Table Angle |
| OppositeAzimuth | Opposite Azimuth |
| FacetTwistMax | |
| JunctionBezelTwistMax | Junction Twists |
| OppositeSlopeSumHalf | Opposite Slope Sum Half |
| StarFacetTwist | Twist of Facets |
| JunctionBoneTwistMax | Junction Twists |
| MainCrownFacetsAzimuthSymm |
|
| MainPavilionFacetsAzimuthSymm | |
| StarFacetsAzimuthSymm | |
| TablePointsAxialSymmetry (specific to Oval) |
|
| StarPointsAxialSymmetry (specific to Oval) | |
| PavilionPointaAxialSymmetry (specific to Oval) |
To find out the meaning of the particular parameter, refer to this section or the HPP manual. See also the 3DCalc manual.