Education

General Rules for Pavilion Depth Estimation (5.18)

General rules for pavilion depth estimation using the table reflection method.

General Rules for Pavilion Depth Estimation (5.18)

General rules for pavilion depth estimation using the table reflection method.

Table Reflection Method (5.17)

The Table Reflection Method furnishes a fast and relatively accurate estimate of pavilion depth.  The size of this reflection indicates the depth of the pavilion in question.

Table Reflection Method (5.17)

The Table Reflection Method furnishes a fast and relatively accurate estimate of pavilion depth.  The size of this reflection indicates the depth of the pavilion in question.

The Pavilion Depth (5.16)

The pavilion depth is not the same as the pavilion angle. Arriving at the pavilion depth.

The Pavilion Depth (5.16)

The pavilion depth is not the same as the pavilion angle. Arriving at the pavilion depth.

Estimating Pavilion Angle (5.15)

The preferred pavilion angle of 40.75° corresponds to a pavilion depth percentage of approximately 43%.

Estimating Pavilion Angle (5.15)

The preferred pavilion angle of 40.75° corresponds to a pavilion depth percentage of approximately 43%.

The Pavilion Main Method (5.14)

Estimating crown angles with the Pavilion Main Method.

The Pavilion Main Method (5.14)

Estimating crown angles with the Pavilion Main Method.

Judging Angles (5.13)

Judging diamond crown angles.

Judging Angles (5.13)

Judging diamond crown angles.