ONLINE Practical Diamond Grading Course
Автор: Jeremy Rothon
Загружено: 2021-01-30
Просмотров: 131
Описание: This course will teach you how to grade and value cut and polished diamonds. You will learn how the industry operates and about the Kimberley Process and blood diamonds. Once you have completed this course you will be able to grade a diamond within a colour and clarity grade.
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