2013年3月14日 · The prospect of purchasing a diamond may seem daunting, but through GIA, an unbiased authority on diamonds, you have several handy resources to help you select the …

This diamond rating chart can help you choose the right gem. Learn the color and clarity criteria by which diamonds are graded for valuation purposes.

2015年8月13日 · GIA diamond grading reports list a diamond’s clarity grade and also provide a clarity chart – known as the official GIA Diamond Clarity Scale – depicting the eleven clarity …

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 …

Estimating a Cut Grade Using the GIA Diamond Cut Grading System Explains the system, gives definitions, and displays the proportions listed on a GIA Diamond Grading report.

AGI’s diamond clarity scale has 11 grades ranging from Flawless (FL) to Included (I). The classification system focuses on how difficult it is for a skilled grader to see inclusions and …

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.

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 …

The GIA Diamond Color Chart is designed to provide a consistent and objective method for grading diamond color. The diamond color chart is a way for diamond graders to communicate …

2024年8月30日 · GIA Diamond Color Chart. To provide shoppers with an understanding of each diamond’s color level, grading entities like the Gemological Institute Of America (GIA) use a …