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Why Does the GIA Diamond Scale Start at D Instead of A?In the world of high jewelry and professional gemology, precision is the fundamental requirement for ensuring market integrity and consumer protection. Many wonder why the GIA (Gemological Institute of America) color scale begins with..

Does Diamond Fluorescence Always Negatively Impact Beauty?In the jewelry industry, fluorescence is one of the most debated and, at the same time, least understood phenomena by non-experts. Often mistakenly labeled as a defect, this natural characteristic must be analyzed with technical expert..

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GIA to Use New Descriptive Terminology for Laboratory-Grown Diamonds - Gioielleria Arte Orafa Olevano Romano GIA to Use New Descriptive Terminology for Laboratory-Grown Diamonds Change reflects narrow color and clarity range of the manufactured product CARLSBAD,..