Education

A Contingent Offer (13.06)

A Contingent Offer (13.06)The best approach in a mounted buying situation is to make a contingent offer on the diamond based on the seller’s representation or presumed grade. Have the...

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