Term

Definition
the result achieved by adding the smallest and largest girdle measurements of a round brilliant and dividing by two 


Term

Definition
the angle formed by the bezel facets and the girdle plane 


Term

Definition
the distance from the girdle plane to the table, expressed as a percentage of average girdle diameter 


Term

Definition
a weightretention method where the cutter leaves more girdle thickness to allow for later removal of clarity characteristics around the girdle 


Term

Definition
the width of a fashioned gem's girdle 


Term

Definition
a weightretention method that adjusts the angles of some facets to allow portions of a diamond's girdle to be thicker 


Term
Star Facet Length Percentage 

Definition
the length of the star facets expressed as a percentage of the total distance between the girdle and the edge of the table facet 


Term

Definition
a transparent measuring device divided into millimeters and tenths of a millimeter, used to measure a diamond's table 


Term

Definition
a diamond's table size expressed as a percentage of its average girdle diameter 


Term

Definition
tabletoculet depth, expressed as a percentage of average girdle diameter 

