Jewelry & Gems-The Buying Guide, 7th Edition: How to Buy Diamonds, Pearls, Colored Gemstones, Gold & Jewelry with Confidence and Knowledge (Jewelry & Gems: The Buying Guide (Paperback))

Gem Identification Made Easy, 5th Edition: A Hands-On Guide to More Confident Buying & Selling

The Gem Merchant - How to be one - How to Deal With One

Colored Gemstones, 3rd Ed: The Antoinette Matlins Buying Guide-How to Select, Buy, Care for & Enjoy Sapphires, Emeralds, Rubies and Other Colored Gems with Confidence and Knowledge

Gem & Jewelry Pocket Guide: A traveler's guide to buying diamonds, colored gems, pearls, gold and platinum jewelry

Beyond the Four C's: What you should REALLY know before you buy a Diamond