GIA Diamond Guides d'étude, Notes de cours & Résumés

Diamond Essentials 163 Questions and Answers 2024.

GIA Diamond Essentials Final Exam Study Guide .

GIA Diamond Essentials Final Exam 105 Questions and Answers 2023.

GIA DIAMOND GRADING QUIZ 1 SPRING 2023 SCORED 98% The more an inclusion differs in color from its host diamond the more obvious it is A feather that reaches a bezel surface as well as the surface of the pavilion main directly under the bezel should be plotted on both the crown and pavilion diagrams In a stone with these clarity characteristics, which would probably be the grade-setting characterisitc? feather Which would disqualify a stone from being IF Pinpoint Diamonds with minute...

GIA DIAMOND GRADING QUIZ 1 SPRING 2023 SCORED 98%

The more an inclusion differs in color from its host diamond - the more obvious it is A feather that reaches a bezel surface as well as the surface of the pavilion main directly under the bezel - should be plotted on both the crown and pavilion diagrams In a stone with these clarity characteristics, which would probably be the grade-setting characterisitc? - feather Which would disqualify a stone from being IF - Pinpoint Diamonds with minute inclusions at 10x are - VVS1 or VVS2 A reflecto...

Before the discovery of South Africa's diamond deposits, the world's two major producers were India and - Brazil Diamond sources started appearing in South Africa during the - 1860s The Central Selling Organisation was a - rough diamond distribution agency. The South African diamond rush was sparked by - the discovery of the Star of South Africa. The soft, diamond-bearing material near the surface of a diamond field was named - yellowground Cecil Rhodes' main competitor in his early at...