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Bursts of yellow and purple radiate throughout this round-cut ametrine.

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Colourblocking: The Art and Fashion of Multicoloured Gemstones

Sharon Bohannon, July 20, 2018

The fashion trend of colourblocking can be found in the artistic combinations of colour in multicoloured gemstones known for their colour zoning or banding.

Article

Fall for Autumn Gems

Sharon Bohannon, September 21, 2018

Nature gives us a brilliant palette of colour-changing leaves and a spectacular kaleidoscope of colourful sunsets during the autumn season.

Article

How to Protect Your Diamond from Chipping

Al Gilbertson, May 5, 2016

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

Abstract Header from the 2009 issue of Gems & Gemology

Abstracts; Winter 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Winter 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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