In the last issue of the Gem Market News (May/June 2009), an article appeared on the Crown of Light Diamond, a patented cut sold exclusively by Diamonds International. Never has an article commanded such intense…
Featured ArticlesA study by Indias Gems and Jewellery Export Promotion Council and the consulting firm KPMG reports annual worldwide retail sales of newly manufactured jewelry totaled $146 billion in 2005 (most recent data available). Broadly speaking…
Featured ArticlesLas Vegas is becoming like Tucson in that what used to be one very well attended show, is now several shows, all feeling the thinning of the buyer pool. This year marked the 18th year…
Featured ArticlesWatch for jewelry styles that incorporate a more organic, rough-hewn approach in raw gems and rustic finishes to be especially popular through 2010. Earthy yet elegant, designs flaunting uncut crystals, often set in textured metals…
Featured ArticlesBy now, we should all be aware of last years discovery of the use of cobalt coatings to improve the color of Tanzanite. This treatment, as reported by the AGTA-GTC and the AGL (May 23…
Featured ArticlesThe story here on the "Crown of Light" diamond is part Gem Note and part Appraisers Notebook. What is it? Who is selling it? How much is it worth? Jewelers and appraisers are often quick…
Featured ArticlesThe Accredited Gemologists Association held its annual winter Conference in Tucson on Wednesday February 4. The successful conference featured several speakers from the International gemological community. American Gemological Laboratories Vice President Christopher Smith this years…
Featured ArticlesCecilia Gardner, President, CEO & General Counsel for the Jewelers Vigilance Committee hosted an informational presentation on the “The Tom Lantos Block Burmese JADE Act of 2008.†The program was offered in cooperation with the…
Featured ArticlesWe have had many contacts over our previous questions regarding that group of tourmalines that gave the anomalous reactions to the Raman, immersion cell, and virtually all other tests. At one point we raised the…
Featured ArticlesPolish and symmetry errors affect the perceptible appearance of a diamond. Off center culets, lopsided pavilions, off center tables, and lopsided crowns all detract from the overall beauty. During several visits to prominent manufacturing centers, I…
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