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Merelaniite whisker inclusions in tanzanite.

Merelaniite Inclusions in Tanzanite

Augusto Castillo, Tyler Smith, and John A. Jaszczak, August 9, 2018

A recently identified mineral is found, in whisker-like form, in a gem-quality tanzanite host.

Wedding couple: Groom in black tuxedo and woman in white gown hold hands and gaze at one another. California hills in the background.

Article

Love in Tucson: The ‘Stars Aligned’ for Geologist and Designer at GIA Alumni Party

Jaime Kautsky, February 9, 2018

They met in the queue to get into the GIA Alumni Association Tucson party – and changed the course of their lives forever.

A 4.10 ct colorless diamond “slice” pendant with black inclusions set in white gold and surrounded by colorless to brown pavé diamonds by Rachel Boston, London. Photo courtesy Rachel Boston

Article

2017 Las Vegas Trade Patchy, Designers and Diamonds Lead

Russell Shor, June 28, 2017

Designers respond to market trends; demand for diamonds better than expected. Plus: Holiday season diamond marketing campaign gets funding boost.

De Grisogono’s “Crazymal” collection introduced in Basel combines humor and craftsmanship to a luxury line. This pink flamingo ring is 18k gold, pink sapphire and colorless diamonds. Courtesy of De Grisogono

Article

Luxury Firms Adjust to the Era of Diminished Opulence

Russell Shor, April 17, 2017

Baselworld 2017: Luxury jewellery designers rethinking blingy, gem-laden looks for more artistic designs. Pink Star diamond sells for $71 million (£56 million).

A view of downtown Hong Kong – with a freeway traveling through it.

Article

U.S. Retailers Continue to Cite ‘Challenging’ Environment; Synthetic Melee Detected

Russell Shor, March 20, 2017

Economists are recognising that the decline in middle-class purchasing power is directly affecting some consumer products – including jewellery.

Article

De Beers Optimistic as Sales Revive; Luxury Houses Remain Cautious

Russell Shor, February 21, 2017

De Beers holds largest cycle (sight) in more than two years. Luxury sales have begun to rise again after a negative year.

Article

‘Hippie’ Designer-Appraiser Follows Her Heart and Re-ignites Local Alumni Chapter

Jaime Kautsky, February 10, 2017

Rebecca Buys, GG, with a fulfilling career as a designer and appraiser, guides GIA alumni opportunities in San Diego, California.

Iridescent Inclusion in Tanzanite

Danny Sanchez, November 7, 2016

A tanzanite displayed crystallographically aligned, vividly iridescent colours resulting from fine separations along the stone’s cleavage planes.

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.

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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Gemstones

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Gemstones

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