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The entrance to the GemGenève show featured a large graphic wall.
Article
Trade Hopes for a Bright 2019 Vegas Show

All eyes are on the upcoming jewellery sales events in the US – the Luxury and JCK shows in Las Vegas – as business slows down in other parts of the world.

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Rough diamond, yellow in colour
Article
Diamond Research Gives Clues to the Formation of the Continents

Mineral inclusions trapped in diamonds reveal the continents’ construction – and help GIA researchers date diamonds.

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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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Rough CLIPPIR diamonds
The Very Deep Origin of the World’s Biggest Diamonds

Explores an exceptional family of diamonds, referred to as “CLIPPIR” (Cullinan-like, Large, Inclusion-Poor, Pure, Irregular and Resorbed), that formed in a super-deep environment.

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A diagram uses four rulers to show how color, clarity, cut and carat weight are measured.
Article
Diamond Quality: A Short History of the 4Cs

You’ve heard about the 4Cs of diamond quality (colour, clarity, cut and carat weight). But how did they become so well-known? Here’s a little diamond history.

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Article
Is Another 1,000 (or 3,000) Carat Diamond Around the Corner?

Find out why the number of very large diamonds entering the market has increased sharply in the last few years.

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The 14.62 ct. emerald cut Fancy Vivid Blue Oppenheimer diamond is flanked by diamonds in a ring setting.
Article
Spring 2016 Auction Update: Big Cheques – Mega Diamonds

Big diamonds – really big ones – dominated the news in May, setting sales records for colourless and coloured beauties.

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Indian necklace
Article
Jewellers to the Maharajas of Jaipur and Modern-Day Moguls

Enter a world not well-known in the West—the world of the maharajas and their jewellery, coveted by the modern-day moguls of business, entertainment and royalty. See the fantastic works of art made today in the form of enamelled Kundan meena jewellery and the regal look of polki diamonds.

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Article
‘Dreams of Diamonds’ Book and Exhibition Celebrate Spectacular Gems

Explore the wondrous world of diamonds in this large book (2 stone 5 lbs and three feet wide when open) and gallery from a past exhibition – that reveals their detail and beauty.

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Article
January Outlook: Rough Diamond Supplies Up, Prices Down

The trade grappled with soft prices and excess stock in 2015, but holiday sales helped reduce diamond stocks. Plus: China retail report.

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