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

Russell Shor, December 16, 2019

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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Ruby-bearing gravel bed in Mugloto.
Update on Gemstone Mining in Northern Mozambique

Wim Vertriest and Vincent Pardieu, January 27, 2017

Recounts an expedition to Mozambique’s important deposits of ruby, spinel and tourmaline, which have yet to be fully explored.

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This 1,111 carat rough unearthed in Botswana last year will be sold by Sotheby’s later this year. Courtesy of Lucara Diamond
Article
Better Than Expected: Hong Kong Demand Buoys Market

Russell Shor, March 21, 2016

Encouraging demand at the March Hong Kong Gem and Jewellery Show has buoyed the industry’s mood.

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Worker attaching wax forms
Article
Shenzhen: The Frontier of China’s Gem and Jewellery Industry

Tao Hsu, January 25, 2016

All jewellery professionals are familiar with the city of Shenzhen, a global jewellery manufacturing centre and a leader of China’s fast-growing gem and jewellery industry. Join the GIA team as we tour the city and discover more about its leading jewellery brands.

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Article
Las Vegas 2015: Selective Demand Buoys a Slow Season

Russell Shor, June 12, 2015

Las Vegas jewellery shows: A potential upturn for the autumn season?

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Abstracts; Summer 1991

Dona M. Dirlam

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

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Abstracts; Winter 1991

Dona M. Dirlam

This article, from the Winter 1991 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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