A Complete Guide to Diamond Certification
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11 reactions | For confidence in your diamond’s quality, understand the GIA 4Cs and insist it comes with an independent GIA Grading Report. | 4Cs of Diamond Quality by GIA | Facebook
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Diamond Cut Grading
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How do experts assess a diamond’s color? Although many diamonds appear colorless, GIA gemologists can detect even the slightest presence of yellow or other hues. GIA established the color grading standard, called the GIA Color Scale, to indicate the absence or presence of color. The scale begins with the letter D, representing colorlessness, and continues with the increasing presence of color to the letter Z. Diamond graders use color-comparison diamonds, called masterstones, to determine a diam
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10K views · 537 reactions | How a diamond is cut and polished directly affects its sparkle and brilliance. Watch this video to learn more about how GIA analyzes a round brilliant diamond to determine its cut grade. | 4Cs of Diamond Quality by GIA | Facebook
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