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Showing 86 results for "chameleon diamonds"
G&G Brief presents an overview of the content of the Fall 2015 issue of Gems & Gemology.
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Autumn 2015 G&G: Trapiche Emeralds, Synthetic Diamonds and a Large Diamond Source

G&G Brief presents an overview of the content of the Autumn 2015 issue of Gems & Gemology.

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A multi-diamond brooch.
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2019 in Review: Diamond Trade Begins Recovery, Jewellery Retail Sector Blooms Late and Extraordinary Auction Sales

2019: A year of ups and downs in the gem and jewellery industry, including diamonds, retail, auction sales and laboratory-grown diamonds.

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A diamond necklace that features a 100.02 Fancy Intense yellow diamond. The pendant is done in the shape of a musical instrument.
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Bullish Predictions for 2019 Seasonal Sales Despite Concerns; Sotheby’s Hong Kong Auction Sales

US seasonal sales predictions are better than expected. Sotheby’s Hong Kong auction features a 100 ct yellow diamond necklace by GIA alumna Anna Hu.

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A large ruby crystal in calcite with three faceted rubies in front.
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Economists Foresee Bright Holiday Season

National Retail Federation predicts a strong increase in holiday sales; U.S. ban on Myanmar ruby and jade lifted; diamond market report.

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G-G Spring 2015
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Spring 2015 G&G Examines Blue Spinel, Chinese Jewellery Design and the Latest in Synthetics

G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.

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Iridescent Beetle
Summer 1991 Gem News International

A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewellery manufacturing techniques and industry trends.

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Spring 2010 G&G lab notes

This section, from the Spring 2010 issue of Gems & Gemology, is a compilation of interesting finds from GIA's laboratories.

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Rough and polished diamond
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De Beers’ Sight: Recovery or Overload?

De Beers’ recent rough price increase has caused some concern among manufacturers who have just begun to return to profit after two years of struggle.

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Summer 2007 G&G Lab Notes

This section, from the Summer 2007 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

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Summer 1983 G&G Lab Notes

This section, from the Summer 1983 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

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