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