Diamond Essentials 3 questions with correct answers

Characteristic color CORRECT ANSWER-the basic color of a fancy-colored diamond Depth of color CORRECT ANSWER-the combination of tone and saturation that determines how noticeable a color is Fancy-colored diamonds CORRECT ANSWER-naturally colored yellow and brown diamonds that exhibit color beyond the Z range, or that exhibit any other color face-up Fluorescence CORRECT ANSWER-emission of visible light by a material when it's exposed to UV radiation Hue CORRECT ANSWER-your first impression of a color; the basic color of an object Irradiation CORRECT ANSWER-a treatment that changes the color of a gem by exposing it to radioactive materials Masterstones CORRECT ANSWER-a set of color comparison diamonds that defines GIA's diamond color grades in the normal (D-Z)range.