Education
Doubleering (6.25)
Do not confuse a doubleering with fracture filling. A doubleering is an inclusion, commonly a feather, that takes on a rainbow-like appearance.
Doubleering (6.25)
Do not confuse a doubleering with fracture filling. A doubleering is an inclusion, commonly a feather, that takes on a rainbow-like appearance.
Surface Graining (6.43)
Surface Graining (6.43)Surface graining, like internal graining, is an irregularity of the crystal structure of the diamond. It appears as a line traveling across one or more facets. Grain lines...
Surface Graining (6.43)
Surface Graining (6.43)Surface graining, like internal graining, is an irregularity of the crystal structure of the diamond. It appears as a line traveling across one or more facets. Grain lines...
Rough Girdle (6.41)
A bearded girdle designates small inclusions (below the surface), whereas a rough girdle designates blemishes (on the surface).
Rough Girdle (6.41)
A bearded girdle designates small inclusions (below the surface), whereas a rough girdle designates blemishes (on the surface).
Polish Marks (6.40)
Polish marks are also caused by problems in dealing with the grain of a diamond during the cutting process.
Polish Marks (6.40)
Polish marks are also caused by problems in dealing with the grain of a diamond during the cutting process.
Polish Lines (6.39)
If a GIA report documents “Good” or “Very Good” for polish, polishing lines have been detected to at least a faint degree.
Polish Lines (6.39)
If a GIA report documents “Good” or “Very Good” for polish, polishing lines have been detected to at least a faint degree.