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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

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.
Article
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 ruby and diamond choker. The centre section is made of six strands of red pearls, framed by rubies and diamonds.
Article
Mughal Jewels Auction: Al-Thani Collection Raises $109 Million (£87.5 Million)

Collectors from around the world descended on Christie's Maharajas & Mughal Magnificence auction of the jewels from the Al-Thani Collection on 19 June.

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Buyers were checking the quality of a jadeite boulder
Article
Witnessing the 56th Myanma Gems Emporium

A first-hand look at this annual ten-day auction, where local and foreign buyers bid on jadeite, pearl and other gem lots.

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The wax-impregnated bangle (left) showed bluish fluorescence under long-wave UV.
Strong Fluorescence in B-Jade Impregnated with Wax

A bangle is an example of the misconception that B jade is only impregnated by resin, when in fact wax-impregnated jadeite is also considered B-jade.

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Jade table screen.
Exhibition Review: Colors of the Universe: Chinese Hardstone Carvings

Review of Colors of the Universe: Chinese Hardstone Carvings at New York’s Metropolitan Museum of Art.

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Calcite showing phosphorescence.
Filled Calcite with Pronounced Phosphorescence

A sphere with a greasy lustre exhibiting strong phosphorescence is investigated.

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Gem: The Definitive Visual Guide book cover
Book Review: Gem: The Definitive Visual Guide

A review of Gem: The Definitive Visual Guide.

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Jadeite boulder from Itoigawa, Japan
Japanese Jadeite: History, Characteristics and Comparison with Other Sources

Examines the sources, colour, texture and chemical composition of jadeite from Japanese deposits.

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A jadeite necklace of graduated beads.
Article
Jade Report: Increased Mining Creates Large Stockpiles

Myanmar’s jade stocks are piling up in gem warehouses near the border and in dealers' safes. Mining has far exceeded the market’s ability to absorb it.

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