Education

Color by Definition (7.01)

Color by Definition (7.01)What is color? By definition, it is a phenomenon of light or visual perception by which one can distinguish between otherwise identical objects. Of course this is...

Study Questions for Section 6

Study Questions for Section 6Instructions: Finish answering all the questions before proceeding to the next section. Simply circle the correct response letter in these multiple choice questions.Section 66.01#1 When using...

Clarity Grade Definitions (6.50)

Clarity Grade Definitions (6.50)Remember that clarity grading is not an exact science and remains somewhat . Naturally with experience, you will become more comfortable in grading clarity with confidence. Each...

The Grade-Maker (6.49)

The Grade-Maker (6.49)The grade-maker is the principal inclusion that causes a grade to fall into its predestined category. A large white feather accompanied by many tiny white crystals is a...

Make the Call (6.48)

Make the Call (6.48)After a stone has been thoroughly cleaned, leaving no traces of dust particles, you are ready to grade it. With your 10x loupe, examine the stone through...

Indicating Factors of Assigning a Clarity Grade...

Indicating Factors of Assigning a Clarity Grade (6.47)Most people might assume that clarity grading is strictly based on the amount of inclusions in a diamond. The amount of inclusions is...