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John M. King Gems and Gemology In Review: Colored Diamonds Gemological Institute of America, 2006.. softcover 317 pages + 20-page booklet / slipcase. complet. For more than 70 years, the unique characteristics and lore of colored diamonds have been highlighted in Gems & Gemology, the quarterly journal of the Gemological Institute of America. Now it's all available in one complete reference volume, titled Gems & Gemology in Review: Colored Diamonds. Edited by John M. King, the book contains more than 100 notable articles originally published in G&G. This superbly illustrated volume comes with a 20-page booklet of color grading charts that demonstrates GIA's color grading system for fancies. Both are enclosed in a durable, attractive slipcase.. / John M. King is technical director of the GIA Laboratory in New York and a respected authority on fancy-color diamonds. With more than 25 years of laboratory experience, Mr. King has written a number of landmark articles for Gems & Gemology, and he frequently lectures on colored diamonds and color grading procedures. EUR 499.00 Verder winkelen In winkelwagen

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