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Les titres mentionnés ci-dessous sont disponibles à EGM.
- G. Rosksin - Photo Master of Diamond Grading
- GIA - Identification charts
- GIA - Gem Reference Guide
- Gübelin & Koivula – Photoatlas of inclusions
- Hughes R. - Rubies & Sapphires
- Koivula - The Micro World of Diamond
- Liddicoat - Handbook of Gem Identification
- Matlins A. - Gem Identification made Easy
- Mercer I. – Crystal
- Newman R. - Diamond Ring Buyers Guide
- Newman R. - Gemstone Buying Guide
- Newman R. - Gold & Platinium
- Newman R. - Jewelry Pocket Guide
- Newman R. - Ruby & sapphire & Emerald
- Newman R. - The gold jewllery Buying Guide
- Newman R. - The Pearl Buying Guide
- Newman R. - Voir clair dans le diamant
- Payette F. - La Gemmologie
- Schuman - Gemstones of The World
- Schuman - Guide des pierres précieuses
- Themelis T. - Mogok Valley of rubies & Sapphires
- Ward – Diamond
- Ward – Emerald
- Ward - Gem Care
- Ward – Jade
- Ward – Opal
- Ward - Pearls
- Ward - Ruby & Sapphire (Tous les Wards : -10%)
- Webster R. - Gems
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