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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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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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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Examines the growing percentage of rough diamonds being sold through auctions, a shift that has caused price volatility while opening up supply to more manufacturers and dealers.
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A summary of the content found in the Autumn 2016 issue of Gems & Gemology.
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The US holiday season saw strong sales, but China continues to struggle. Plus: diamond market report and lab-grown diamond sales.
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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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G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.
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The US holiday shopping season is looking positive, despite signs that an economic slowdown may be coming in 2019. Plus, more auction sales records.
Read MoreThis article, from the Autumn 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemology.
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