Colored Gemstones 4th Edition: The Antoinette Matlins Buying Guide-How to Select, Buy, Care for & Enjoy Sapphires, Emeralds, Rubies and Other Colored Paperback $24.99
Jewelry & Gems--The Buying Guide, 8th Edition: How to Buy Diamonds, Pearls, Colored Gemstones, Gold & Jewelry with Confidence and Knowledge Paperback $41.99
Gem Identification Made Easy (6th Edition): A Hands-On Guide to More Confident Buying & Selling Hardcover $43.99