Gemological Institute of America

American Cut: The First 100...

Al Gilbertson Author

GemKids® Journal: Aquamarine

GemKids® Journal (Series)

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GemKids® Journal: Zircon

GemKids® Journal (Series)

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GemKids® Journal: Fire Agate

GemKids® Journal (Series)

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GemKids® Journal: Opal

GemKids® Journal (Series)

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The GIA Diamond Dictionary

Richard T. Liddicoat Editor

GemKids® Journal: Sapphire

GemKids® Journal (Series)

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GemKids® Journal: Topaz

GemKids® Journal (Series)

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GemKids® Journal: Amethyst

GemKids® Journal (Series)

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GemKids® Journal: Pearl

GemKids® Journal (Series)

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A Roman Book On Precious Stones

Sydney H. Ball Author

Splendour & Science of Pearls

Dona Mary Dirlam Editor
Robert Weldon Editor

The GIA Jeweler's Manual

Richard T. Liddicoat Author
Lawrence L. Copeland Author

Uteuzi wa vito ghafi =...

GIA (Gemological Institute of America) Author
Dona Mary Dirlam Editor