Education

Clarity Grading (6.06)

Clarity Grading (6.06)Like color, clarity grading takes much practice and can be very deceiving if the grader is not careful and doesn’t take the time needed to examine the stone...

Gemological Microscope (6.05)

Gemological Microscope (6.05)If you are doing moderate to heavy diamond trading, a gem-scope should be a serious consideration. The binocular microscope, versus the monocular, offers three dimensional (stereoscopic) viewing to...

Cloud (6.22)

Good light is very important when searching for these ghost-like inclusions and a scope’s dark-field illumination is especially valuable at that point.

Chip (6.21)

Since diamond is such an incredibly hard substance, it is susceptible to chipping. A very hard substance is not necessarily a very tough substance.

Cavity (6.20)

When a cutter runs into an included crystal or feather, a piece or perhaps the entire inclusion may fall out, leaving behind a cavity.

Bruise (6.19)

Bruising a diamond is caused by a sharp blow to the stone’s surface. It is similar to bearding because it forces small feather-like inclusions into the diamond.