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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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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.
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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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An early black and white photo that shows deep trenches dug into the ground in the search for diamonds. Ladders and ropes help the miners excavate and traverse the mine.
Article
Historical Reading: The Diamond Fields of South Africa: Part 1 (1868-1893)

The discovery of diamonds in South Africa in early 1867 marked the start of an historic period of diamond exploration.

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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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Article
Historical Reading: The California Gold Rush

The California gold rush − the largest gold rush in the history of the world − changed the social, economic, political and cultural history of the American West.

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Cushion cut synthetic diamond
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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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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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