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Showing 63 results for "chameleon diamonds"
Diamonds in Canada

This article chronicles the discovery of primary diamond deposits throughout Canada, whose increasing supply of rough stones will have a growing impact on the world diamond industry.

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Revolution in Diamond Cutting: Laser Sawing of Diamond Crystals

This article describes the components and operation of the laser saw and its usefulness in diamond cutting.

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Gemesis Laboratory-Created Diamonds

High-quality synthetic diamonds created by the Gemesis Corp. are examined and their gemmological properties are explicated.

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Blue Moon, rough and cut
Study of the Blue Moon Diamond

Presents spectroscopic and phosphorescence data of the Blue Moon, a 12.03 ct Fancy Vivid blue diamond discovered at the historic Cullinan mine in early 2014.

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Modern Diamond Cutting and Polishing

Over the last 25 years, the diamond-cutting industry worldwide has been revolutionised by sophisticated instruments that provide invaluable aid in the process of creating a polished gem.

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Argyle pink diamonds
Exceptional Pink to Red Diamonds: A Celebration of the 30th Argyle Diamond Tender

Describes the extremely rare polished pink diamonds from Australia’s Argyle mine that have been sold for 30 years through invitation-only tenders.

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The 1,111 ct rough found by Lucara Mining in the Kerowe Mine in Botswana is only the second time in history that a diamond weighing more than 1,000 carats has been found. The company plans to auction the diamond next year. Photo courtesy Lucara Diamond
Article
Major Diamond Find Brightens Market

The discovery of three huge diamonds – 1,111, 813 and 374 carats − all in the same week, has brightened an otherwise lacklustre diamond market.

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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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Faceted CVD Synthetic Diamonds
CVD Synthetic Diamonds from Gemesis Corp

An examination of the gemmological and spectroscopic properties of CVD synthetic diamonds from Gemesis Corp.

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0.20-ct Diamond
A Visual Guide to the Identification of Filled Diamonds

This article illustrates the various features in filled diamonds and explores the best techniques for examining them.

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