Education

Grading Color Accurately in a Mounting (14.01)

Grading color in mounted diamonds is very challenging.

Within Three Color Grades (14.02)

Grading color in mounted diamonds is very challenging.

Emerald Cut Weight Estimation (11.16)

Emerald cut diamond weight estimation.

Oval Weight Estimation (11.19)

Estimating the weight of the oval brilliant diamond.

Heart Shape Weight Estimation (11.20)

Heart Shape Formula: Length x Width x Depth x .0059 x GTA x Shape Adjustment

Pavilion Angle 5.09

If the pavilion angles are too steep the light will exit out of the opposite side after first reflecting once inside the diamond.