Diamond Color Chart | GIA Diamond Color Grading Scale - The Diamond …
网页2024年8月30日 · To provide shoppers with an understanding of each diamond’s color level, grading entities like the Gemological Institute Of America (GIA) use a diamond color chart to judge diamonds based on their appearance …
Diamond Color Charts & Complete Guide - International Gem …
网页Learn about the GIA color grading scale and how fluorescence and metal settings can impact diamond colors, as well as which combinations of color, clarity, cut, and carat to look for. 7 Minute Read. Home Diamond Advice The 4 Cs of Diamonds - Color Diamond Buying and the Four Cs, Part 2: Diamond Color.
Colored Diamonds | Fancy Colored Diamonds - GIA
网页Diamonds in the normal color range are colorless through light yellow. Fancy Colored Diamonds, on the other hand are yellow & brown diamonds that exhibit different colors.
Diamond Color Scale | Color Chart, Scale, & Grading Guide
网页The Gemological Institute of America (GIA) developed the diamond color scale in the 1940s to standardize diamond color grading internationally. The scale begins with the letter D, which represents colorless, and increases in color presence to the letter Z, which represents as light yellow, grey, pink, or brown.
Fancy Colored Diamonds | Blue Nile
网页Find fancy colored diamonds in a variety of hues, cuts, carats and shapes. Choose a natural or lab made diamond on its own or add your graded gem to a signature piece of Blue Nile jewelry.
Diamond Color Chart: The Official GIA Color Scale - GIA 4Cs
网页2015年7月8日 · In this post, you can learn about and download the official GIA Color Scale, work with an interactive diamond color chart to see the relationship between grades and colors, and watch a useful GIA Diamond Color Grading video to see how GIA evaluates diamond color.
Diamond Color - GIA 4Cs
网页The correct way to evaluate diamond color is in precise conditions, under controlled lighting, where stones are compared to masterstones with established color grades. Once properly evaluated, color is documented based on the GIA D-to-Z Color Scale. From D for colorless to Z for light.
Colored Diamonds | Fancy Colored Diamonds - GIA
网页When a diamond falls outside of GIA’s D-to-Z color scale, it is considered a colored diamond (sometimes called a fancy-color diamond). This includes all colors other than colorless to light yellow or brown. On GIA Colored Diamond Grading Reports, colored diamonds are graded in order of increasing color strength, from Faint, Very Light, Light ...
Diamond Color: Seven Things You Need to Know - GIA 4Cs
网页2018年2月22日 · Colored diamonds are graded and valued differently from colorless diamonds. Diamond color is arguably the most important factor in colored diamonds. Some common colors that diamonds come in are yellow, brown, pink, red, blue, orange, purple, green, gray or black.
The Magic of Colored Diamonds
网页Red, green, purple and orange are the rarest. GIA ® issued its first origin-of-color reports for colored diamonds in 1956. Backed by decades of research and the examination of thousands of colored diamonds, the GIA Colored Diamond Grading System has become the standard for evaluating these extremely rare gems.