& Diamond Grading Exam Review With Complete Answers- 2024

Selective absorption {Ans: Process by which a material absorbs some wavelengths of light and transmits others. (Assignment 12)}Twinned crystal {Ans: Crystal distorted during growth, with two or more intergrown crystals with opposing crystal directions. (Assignment 7)}Because the Australians believed the CSO's marketing favored large stones over smaller ones, they... {Ans: aggressively promoted jewelry made with their own tiny gems}Laser Manufacturing Remnants (LMR) {Ans: Internal fractures (inclusions) or surface grooves (blemishes) created as a result of laser marking or manufacturing. (Assignment 10)}Design {Ans: A diamond's physical shape, including its proportions and durability, determined by decisions made during the fashioning process. (Assignment 15)}Brillianteering {Ans: Placement and polishing of the star and upper and lower girdle facets. (Assignment 9)}