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Calculation

CROWN_ANGLE_DEG_DEV = CROWN_ANGLE_DEG_MAX - CROWN_ANGLE_DEG_MIN

Usage and Examples

Used to control and estimate the slope of crown main facets. Grades example for appraiser "CushionSquare", Profile "Cushion2-Optimized" as on Apr 22, 2021:

For Crown Slope Avg, ° (CROWN_ANGLE_DEG)

For Crown Slope Dev, ° (CROWN_ANGLE_DEG_DEV)

Reporting

Reported inSectionValuesUnitsBookmarksName in Report

Full Report for Square Cushion

Main ParametersAvg
Min
Max
Dev
°

CROWN_ANGLE_DEG
CROWN_ANGLE_DEG_MIN
CROWN_ANGLE_DEG_MAX
CROWN_ANGLE_DEG_DEV

Crown Main angle

Detailed Parameters1, 2, 3, 4°CROWN_ANGLE_DEG_1, ..., CROWN_ANGLE_DEG_4Crown Main angle
Illustrated Report for Square Cushion, Standard Report, I3D ReportParameterAvg, Min, Max, Dev, 1-4°The sameCrown angle, °

Visualization in Appraisers

AppraiserTabParameter NameValueUnitsBookmarkComment
CushionSquareAbsolute CutCrownSlopeAvg°CROWN_ANGLE_DEG

Absolute SymmetryCrownSlopeDev°CROWN_ANGLE_DEG_DEV

Relative CutCrownSlopeSingle Value°NAHow far from the allocation form (= Reference) the Avg value deviates.

Relative SymmetryCrownSlopeSingle Value°NAHow far from the allocation form (= Reference) the Dev value deviates.

Crown Slope (Width and Length)

Info
These parameters are applicable to the following cuts: Cushion Rectangular.

The slope angle of facets, marked in Facet Types as "Crown - Main - Width" and "Crown - Main - Length":

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Calculation

CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_DEV = CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_MAX - CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_MIN

Usage and Examples

Used to control and estimate the slope of crown main facets along the width and length. Grades example for appraiser "CushionRectangular", Profile "Cushion1" as of May 13, 2021:

For Avg, ° (CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_AVG)

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For Dev, ° (CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_DEV)

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Reporting

Reported inSectionValuesUnitsBookmarksName in Report

Full Report for Cushion

Main ParametersAvg
Min
Max
Dev
°

CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_AVG
CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_MIN
CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_MAX
CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_DEV

Crown Main Width angle
Crown Main Length angle


Detailed Parameters1, 2°CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_1,
CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_2
Crown Main Width angle
Crown Main Length angle
Illustrated Report for CushionParametersAvg, Min, Max, Dev, 1-2°The sameCrn Main Width ang, °
Crn Main Length ang, °
Standard Report, I3D ReportParameterAvg, Min, Max, Dev, 1-2°The sameCrown Main Width angle, °
Crown Main Length angle, °

Visualization in Appraisers

AppraiserTabParameter NameValueUnitsBookmarkComment
CushionRectangularAbsolute CutCrownWidthSlope
CrownLengthSlope
Avg°CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_AVG


Absolute SymmetryCrownWidthSlope
CrownLengthSlope
Dev°CRN_MAIN_[WIDTH or LENGTH]_ANGLE_DEG_DEV

Relative CutCrownWidthSlope
CrownLengthSlope
Single Value°NAHow far from the allocation form (= Reference) the Avg value deviates.

Relative SymmetryCrownWidthSlope
CrownLengthSlope
Single Value°NAHow far from the allocation form (= Reference) the Dev value deviates.

Upper Girdle Angle

This is the slope angle of the upper girdle facets.

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