canadian gemological

CUT

Cut: refers to the proportions, finish, symmetry, and polish of the diamond. These factors determine the fire and brilliance of a diamond. Well cut diamonds sell at a premium and poorly cut diamonds sell at discounted prices.

  • Excellent
  • Very Good
  • Good
  • Fair
  • Poor
Excellent Cut

Excellent Cut

The diamond, which has an even pattern of bright and dark areas, scores in the top category for all grade-setting determinants

Very Good Cut

Very Good Cut

This diamond’s grade is determined by brightness, scintillation to perform poorly, the combination of this particular set of propositions leads to increased darkness in the pavilion mains.

Good Cut

Good Cut

This diamond’s grade is limited by its scintillation. In this case, the some what shallow pavilion angle produces dark pavilion mains.

Fair Cut

Fair Cut

The diamond’s grade is limited by its scintillation. The combination of a shallow crown angle and a somewhat shallow pavilion angel leads to a face-up appearance with a lack of contrast and general darkness.

Poor Cut

Poor Cut

The diamond’s grade is limited by its weight ratio. Although most of the proportions for this diamond are fairly standard, the extremely thick girdle greatly increases the depth. Therefore, this diamonds diameter is much smaller than its carat weight would indicate.