Spravochnik Dlja - Juvelira
Includes an expanded list of gemstones with their physical characteristics, diagrams for over 40 cutting styles , and official diamond grading standards.
An extensive dictionary of technical terms to aid communication between masters, students, and customers. Significance for Professionals spravochnik dlja juvelira
It serves as a counter reference to help explain technical aspects of gems and metals to consumers. Includes an expanded list of gemstones with their
The primary reference matching your request is the by Bruce J. Knuth (often cited in Russian as Брюс Дж. Кнут, "Справочник ювелира" ). Overview of the Handbook diagrams for over 40 cutting styles