What is GIA Colour scale?
GIA’s color-grading scale for diamonds is the industry standard. The scale begins with the letter D, representing colorless, and continues with increasing presence of color to the letter Z, or light yellow or brown. Each letter grade has a clearly defined range of color appearance.
What is the color scale for diamonds?
The GIA grades diamonds on a scale of D (colorless) through Z (light color). All D-Z diamonds are considered white, even though they contain varying degrees of color. True fancy colored diamonds (such as yellows, pinks, and blues) are graded on a separate color scale.
What is GIA diamond grading?
The GIA Diamond Grading Report includes an assessment of a diamond’s 4Cs – color, clarity, cut, and carat weight – along with a plotted diagram of its clarity characteristics and a graphic representation of the diamond’s proportions.
What is the best Colour diamond?
D colour diamond
D colour diamond is the highest grade and is extremely rare—the highest colour grade that money can buy. Eight percent of customers choose a D colour diamond.
Is diamond color IJ Good?
Conclusion. I color diamonds offer an excellent combination of near-colorless beauty and value for money, making them a great choice. For the best appearance, we recommend sticking to the round or princess cuts for diamonds in this color, although the Asscher and emerald cuts are also fine.
Is GIA certification worth?
Simple, it’s GIA. They have the best reputation for accurate diamond grading. A diamond with a GIA diamond report will command more money than a diamond graded by EGL USA. Not only when you buy it, but also should you ever decide to sell it, or trade it up.
How does Gia grade diamonds?
How GIA Grades Diamonds Anonymity. Objectivity and independence are the hallmarks of all GIA reports and services, and GIA has elaborate processes in place to ensure a diamond’s anonymity through the grading process. Weights and Measures. Initial Testing with. Grading Color. Grading Clarity and Finish. Grading Cut. Inspection, Care and Handling Procedures.
What is a diamond Gia scale?
Almost all diamonds are graded for clarity using the 11 point diamond clarity scale created by the GIA, including diamonds which were not actually graded by GIA (every Lumera Diamond is GIA certified).
How do Gia identify colored stones?
Inspection,Care,and Handling Procedures. GIA applies the same item identification and tracking procedures to gem identification as it does to diamond grading.
What is the best color for a diamond?
The majority of diamonds that are mined are in a range of pale yellow or brown color that is termed the normal color range. Diamonds that are of intense yellow or brown, or any other color are called fancy color diamonds. Diamonds that are of the very highest purity are totally colorless, and appear a bright white.
