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Chipped Diamond
Article
How to Protect Your Diamond from Chipping

Find out more about what causes a diamond to chip, and 8 tips on how you can avoid chipping your diamond.

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Tucson: A Showcase of Coloured Gemstone Innovation

An overview of the Spring 2016 Gems & Gemology content.

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Indian necklace
Article
Jewellers to the Maharajas of Jaipur and Modern-Day Moguls

Enter a world not well-known in the West—the world of the maharajas and their jewellery, coveted by the modern-day moguls of business, entertainment and royalty. See the fantastic works of art made today in the form of enamelled Kundan meena jewellery and the regal look of polki diamonds.

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Garnets, Sapphires, Opals and Tarnish on High-Purity Gold

An overview of the Winter 2015 Gems & Gemology content.

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Duncan Pay
Trapiche and More...

Colombia’s unique trapiche emeralds exert a fascination for many gemmologists.

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Growth Method and Growth-Related Properties of a New Type of Russian Hydrothermal Synthetic Emerald

A new type of Russian hydrothermal synthetic emerald is produced.

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The Coscuez Mine: A Major Source of Colombian Emeralds

The Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.

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Russian Flux-Grown Synthetic Emeralds

The properties and techniques of flux-grown synthetic emeralds from Russia are discussed.

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Abstracts; Summer 1991

From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.

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145954
Rare double-trapiche emerald

At the AGTA show, Equatorian Imports showed this contributor two pieces of emerald with a very rare double-trapiche pattern

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