The Diamond Book
The Gemstone Book
The Pearl Book
The Coral Book
The Precious Metals Book
The Gemmological Laboratories Book
The Responsible Sourcing Book
Japanese translation ofThe Responsible Sourcing Book
Laboratory-Grown Diamond Guideline
Guide for Classifying Natural Pearls & Cultured Pearls
Retailer’s Reference Guide
CIBJO Do’s & Don’ts Guide
ESG Principles forLaboratory-Grown Diamond
Diamond Terminology Guideline
Emerald Guide
Ruby Guide
Sapphire Guide
