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The Magic of Colored Diamonds

Colored diamonds are in the spotlight. They’re routinely breaking records at auction houses. Learn more about these gemological marvels of the rarest order.

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Diamond
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Fancy Color Diamond Care and Cleaning Guide

Learn about fancy color diamond's durability and how to care for your fancy-colored diamond jewelry.

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Fancy Color Diamond
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Fancy Color Diamond Description

Fancy color diamonds come in almost any color you can imagine. Red, green, purple, and orange are generally the most rare, followed by pink and blue. Yellows and browns are the most common fancy colors, but they’re generally less valuable than the rarer colors.

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The Wittelsbach Blue

This article describes what is known about the Wittelsbach Blue since it was first reported in 1666, and the gemological information released to date on this diamond.

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Computer Rendering of the “French Blue” Diamond
The French Blue and the Hope: New Data from the Discovery of a Historical Lead Cast

With the use of modern tools and technology, this article sheds light on the history and provenance of both the French Blue and the Hope diamonds.

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Diamonds from the Argyle Mine
An Economic Review of the Past Decade in Diamonds

The diamond industry was buffeted by extreme price volatility during the last decade, unlike any encountered since the Great Depression of the 1930s.

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Abstracts; Fall 1991

This article, from the Fall 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

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