325 reactions · 105 shares | Gem color is one of the most important elements in gemstone grading. Subtle variations can make a substantial difference in value. Novice gemologists must learn to accurately describe colors. Photo Credits  saltgemsco https://www.instagram.com/p/CTIMRq8HpwV/ | International Gem Society | Facebook

DIAMOND GRADING REPORT - WGI CERTIFICATION www.wgi-global.com Our diamond reports cover the four C’s which are cut, colour, clarity and carat weight as well as an In-depth diagram which will give you a clear measurement and understanding of the diamond’s proportions | World Gemological Institute