Education

Fancy Color Value Diversity (7.26)

Light fancy yellows begin to rise in value but are still considered common and are less expensive than its colorless or near colorless counterparts. “Fancy yellows”, begin to pick up...

Fancy Colors (7.25)

Regardless of what a lab report prints, the buyer will be the final judge of the overall impression that a stone makes.

Colorimeters (7.24)

Colorimeters -- manufactured by several companies -- were designed to replace or perhaps enhance color-grading master stones by using a fiber-optic light system to digitally measure the color of a...

Color Grading Position (7.23)

Many dealers and gemologists insist that several grading positions (color viewing directions) are imperative.

Clean Diamonds and Color Grading (7.19)

The first step in grading color in loose diamonds is to clean the stone in question (See subsection #6.01).

Prepare Yourself for Color Grading (7.18)

Prepare Yourself for Color Grading (7.18)It’s always a good idea to think about your state of alertness concerning your eyes and mind. Mistakes are easily made after hours of grading...