Knowledge & Education

The BODA Gems
Gem Guide

Everything a professional jeweller needs to know about lab-grown gemstones — grading, certification, cut quality, care, and buying strategy.

Essential Reading

Cobalt Spinel & Padparadscha

Cobalt Spinel: vivid electric blue due to cobalt. Padparadscha: rare pink-orange sapphire reminiscent of a lotus blossom. Two icons of rare beauty.

Read Guide

12 min read

8

Chapters

12

Min Read

GIA

Grading

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Gem Guide Sapphire Grades Read GIA Reports Lab vs Natural

GIA Report Verification: How to Ensure Your Certificate is Authentic

GIA Report Verification: How to Ensure Your Certificate is Authentic

With counterfeit certificates appearing in the market, verifying your GIA report's authenticity is more important than ever. This guide covers the security features of genuine GIA reports, online verification methods, and what to do if you suspect a certificate may not be legitimate.

Understanding GIA Colored Stone Reports: What Every Buyer Should Know

Understanding GIA Colored Stone Reports: What Every Buyer Should Know

GIA Colored Stone Reports differ significantly from diamond grading reports, reflecting the unique characteristics of colored gemstones. This guide explains the specific information provided in colored stone reports, including origin determination, treatment disclosure, and the qualitative nature of colored stone evaluation.

How to Read a GIA Diamond Grading Report: A Step-by-Step Guide

How to Read a GIA Diamond Grading Report: A Step-by-Step Guide

A GIA Diamond Grading Report is the gold standard for diamond documentation, but the technical terminology can overwhelm first-time readers. This comprehensive guide walks through each section of a GIA report, explaining what every measurement, grade, and notation means for the diamond's quality and value.

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