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This colourless diamond slice, approximately 21 x 17 x 3 mm, shows an attractive pattern of inclusions. The diamond was offered for sale at the Hong Kong Watch & Jewellery Show in September. Courtesy of Dynamic International. Photo by Russell Shor.
Article
Diamonds: A Slice off the
Old Rough

Thinly sliced sections of large, highly included rough are emerging on the diamond market, with several US designers incorporating the slabs of unique designs and shapes into their collections.

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GemCad View of the French Blue Enclosed Within the Tavernier Blue
A Crystallographic Analysis of the Tavernier Blue Diamond

This study uses both historical information and modern data to create a computer model of the Tavernier Blue, orienting the finished diamond within the original diamond crystal.

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Harry Winston: A Story Told in Diamonds

An overview of some of the most fabulous and famous diamonds that Harry Winston has known.

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The GIA Museum’s “Dreams of Diamonds” exhibit featured more than 4,000 carats of diamonds, and marked the U.S. debut of Alastair Laidlaw and Christine Marsden’s like-named book – a 160-page, 33-lb. tome. Photo by Kevin Schumacher/GIA
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‘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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Six different shaped red and pink diamonds lined up in a row.
Article
Bank Suspends Credit for ‘Unprofitable’ Rough Diamonds

De Beers and Alrosa slashed rough diamond sales after ABN AMRO’s says it will no longer finance rough purchases for goods that can’t be cut profitably.

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Sally Agarwal’s bracelet features 87 polki cut diamonds.
Article
Polki Diamonds: A ‘New’ Fashion Statement from Mogul India

Old becomes new when polki diamond, one of the oldest forms of cut diamond, finds new life in Western jewellery designers’ pieces.

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The Rise to Prominence of the Modern Diamond Cutting Industry in India

this article reviews the rise of the modern diamond cutting industry in India and its impact on the world diamond trade

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Fingerprinting of Two Diamonds Cut from the Same Rough

With the information from a combination of tools now available, the sophisticated gemmologist can fingerprint a given stone.

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People meet and mingle at the entrance to the JCK Show.
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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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A man and a woman sit at a table with a couple of dozen gems in front of them. They are looking at them and making notes.
Article
Alumni Marry – and Create Award-Winning Fluorescent, Phosphorescent Diamond Necklace

Alumni couple, inspired by their mums, create beautiful jewellery – and a beautiful life – together.

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