Can I read Diamond Grading Exam Chart Booklet on EtoBox?

Diamond Grading Exam Chart Booklet by Paul Messina is a document available to read on EtoBox.

What is Diamond Grading Exam Chart Booklet about?

The document provides tables and information for estimating crown height percentages, diamond weight formulas, weight correction factors, girdle thickness percentages, and weight estimation for small round diamonds. It includes crown angle tables to determine estimated crown height percentages based on average crown angle and table percentage.

Author

Paul Messina

Language

EN