Not sure the size of a particular diamond based on its carat weight? Our helpful guide breaks down diamond sizes by diamond shape and millimeter (mm) size.

Find an AGS Jeweler to get your diamond looked at by a certified jeweler or take a closer look into the history of diamonds. This diamond rating chart can help you choose the right gem. Learn …

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 …

2013年3月14日 · GIA created the 4Cs (Color, Clarity, Cut and Carat Weight) as a universal method for establishing the quality of any diamond, anywhere in the world. The 4Cs means …

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 …

DIAMOND GRADING CHART CLARITY Internally Flawless Very Very Slightly Included Very Slightly Included Slightly Included Included I.F. VVS 1 VVS 2 VS 1 VS 2 SI 1 SI 2 I 1 I 2 I 3 …

2015年8月13日 · Use this interactive diamond clarity scale to learn about the different types of blemishes and inclusions, their names, and how they might appear under magnification. …

Below is a diamond chart with a rating system that will help you to evaluate stones of specific color and diamond clarity combinations. This diamond chart compares diamonds starting with …

Complete guide to the 4 C's of diamonds; Cut, Color, Clarity, and Carat weight. Including charts and guides showing how diamond grades affect appearance and value.

Learn everything you need to know about the diamond color scale to select the perfect diamond for you. Absolutely colorless or icy white. The highest color grade—extremely rare and most …