Education

Diamond Cleaning (6.46)

Diamond Cleaning (6.46)As discussed several times before, the cleaning process is critical to accurate grading. If the diamond has just been removed from its mounting and is dirty, try rubbing...

Prepare Yourself for Clarity Grading (6.45)

Prepare Yourself for Clarity Grading (6.45)As with proportion evaluation, weight estimation or color grading, you must be alert and careful. More times than not grading is critical in making a...

Color in Rough (7.08)

Color in Rough (7.08)Sometimes when a rough diamond is being cut, the color will improve. The skin on a rough crystal when removed, will sometimes present a much whiter or...

Atomic Structure (7.07)

Atomic Structure (7.07)The atomic structure of an object will determine how it handles the light. Diamond in its purest form, 100% crystallized carbon atoms, will be colorless. Most diamonds will...

Tone (7.06)

Tone (7.06)Tone refers to the darkness or shade of color. The darker a diamond, the stronger the tone. Tone and saturation are two completely different elements. A vivid fancy yellow...

Saturation (7.05)

Saturation (7.05) Saturation is the strength of the hue. The hue will not change with added saturation but the intensity will. For example yellow is a hue that does not...