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People meet and mingle at the entrance to the JCK Show.
Article
Headwinds Slow 2019 Vegas Business, Lab-grown Diamonds Proliferate

Decent demand for finished jewellery, but less for loose gems. Plus: Lab-grown diamonds and responsible, sustainable business practices.

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Six people sit on chairs on a stage in front of an audience.
Article
GIA JCK 2019 Panel: Consumers Care Where Their Jewellery Comes From

Consumers want to know that the components of their jewellery – gemstones, diamonds and precious metals – are responsibly sourced.

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A model holds a large cut-corner square diamond with three fingers.
Article
De Beers Ups Supply; US Federal Trade Commission Warns About ‘Eco’ Claims

DeBeers responds to fluctuations, and the FTC issues warnings on laboratory-grown diamonds. Plus: 302.37 ct Graff Lesedi La Rona is revealed.

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Cushion cut synthetic diamond
Article
Laboratory-Grown Diamonds: Demand Rises, Prices Fall

The proliferation of laboratory-grown diamonds into the market continues to dominate industry news. Plus: Natural Diamonds and the Kimberley Process

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A pile of near-colorless HPHT synthetic melee
Article
Diamond Market Forecast: Declining Credit, Soft Prices and Lab-Grown Diamonds

Despite the generally strong year for jewellery retail, the diamond industry continues to face problems with credit, patchy demand and soft prices.

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The ring is designed with a wavy strip of black diamonds in the center framed on each side with colorless diamonds set in a ruffled edge The earring are crescent shaped with black diamond on the inside framed by colorless diamonds in a ruffled edge.
Article
GIA Researchers Look Inside Black Diamonds

Black diamonds are striking in jewellery. GIA researchers report on the unique properties used to identify black diamonds and the potential treatments.

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A large pear shaped yellow diamond hangs from a black cord and lies against red material.
Article
US Holiday Season Opens Well, Despite Volatile Markets

The US holiday shopping season is looking positive, despite signs that an economic slowdown may be coming in 2019. Plus, more auction sales records.

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A large piece of rough, left, with a portion cut out of it, and six cut and polished diamonds produced from the cut out piece of rough.
Article
Chipping Away at 1,109 ct Lesedi La Rona

Graff reveals the first polished diamonds produced from the Lesedi La Rona, one of the largest pieces of rough ever mined. Plus, other market news.

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Barbara Palumbo, Monica Stephenson, and Sarah Yood speak at the conference.
IAC Conference on Responsible Gold

A report from the eighth annual International Gold Conference, held in New York on 12-13 April 2018.

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A miner in northern Tanzania examines rhodolite.
Gemstone Guidebook Project

A project coordinated by GIA and the NGO Pact provides a valuable educational tool to women miners in Tanzania.

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