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Diamond Grading Links - more on the web
Diamond - General Wikipedia ArticleDiamond Cut - Wikipedia Article
Diamond Cutting - Wikipedia Article
GIA - Gemological Institute of America
AGS - American Gem Society
AGS Labs - American Gem Society Laboratories
IGL - International Gemological Laboratories
EGL - European Gemological Laboratory
Yahoo Directory - Gemstone Information > Diamonds
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Sarin Technologies is a worldwide leader in the development of advanced diamond optimization systems, diamond color grading,
diamond cut grading and laser marking machines for diamond grading & gemstone production
