Colored Gemstones 4th Edition: The Antoinette Matlins Buying Guide-How to Select, Buy, Care for & Enjoy Sapphires, Emeralds, Rubies and Other Colored, Paperback/Antoinette Matlins

Loupes Made Easy: The "right-Way" Guide to Using Gem Identification Tools, Paperback/Antoinette Matlins

The Pearl Book (4th Edition): The Definitive Buying Guide, Paperback/Antoinette Matlins

Jewelry & Gems--The Buying Guide, 8th Edition: How to Buy Diamonds, Pearls, Colored Gemstones, Gold & Jewelry with Confidence and Knowledge, Paperback/Antoinette Matlins

Dichroscopes Made Easy: The Right-Way Guide to Using Gem Identification Tools - Antoinette Matlins

Gem Identification Made Easy: A Hands-On Guide to More Confident Buying & Selling (6th Edition), Hardcover/Antoinette Leonard Matlins

Gem Identification Made Easy (6th Edition): A Hands-On Guide to More Confident Buying & Selling - Antoinette Matlins

Dichroscopes Made Easy: The "right-Way" Guide to Using Gem Identification Tools, Paperback/Antoinette Matlins

Chelsea and Synthetic Emerald Testers Made Easy: The \'\'Right-Way\'\' Guide to Using Gem Identification Tools, Paperback/Antoinette Matlins

Ultraviolet Lamps Made Easy: The Right-Way Guide to Using Gem Identification Tools, Paperback/Antoinette Matlins

Refractometers Made Easy: The \'\'Right-Way\'\' Guide to Using Gem Identification Tools, Paperback/Antoinette Matlins

Diamonds (4th Edition): The Antoinette Matlins Buying Guide-How to Select, Buy, Care for & Enjoy Diamonds with Confidence and Knowledge, Paperback/Antoinette Matlins

Jewelry & Gems--The Buying Guide, 8th Edition: How to Buy Diamonds, Pearls, Colored Gemstones, Gold & Jewelry with Confidence and Knowledge - Antoinette Matlins