Gia Diamond Ratings

The 4cs means two very important things.

Gia diamond ratings. Gia diamond grading report the gia set the standard for diamond grading and gemological identification and their diamond grading system serves as the international gem and jewelry industry s benchmark. The diamond industry has adopted the gia diamond color scale. All d z diamonds are considered white even. The differences in diamonds can be so subtle even a trained jeweler can t recognize them without lab verification.

Gia diamond grading report. 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. Many of these diamond color distinctions are so subtle that they are invisible to the untrained eye. This short video explains the gia clarity scale and how gia classifies diamonds with a clarity grade ranging from flawless to i 3 by using a 10x magnification loupe and a microscope to see and plot the diamond s inclusions.

This report includes all the important 4cs grading results as the diamond grading report but does not include the plotted diagram. The world s foremost authority in gemology established in 1931 gia protects the public through gemological research education impartial gem identification and grading services and instrument development. The gia diamond dossier is a more concise compact version of the gia diamond grading report and is available for diamonds that weigh between 0 15 and 1 99 carats. For standard round brilliant cut diamonds falling in the d to z color range.

For loose natural d to z color diamonds only weighing 0 15 carats or more that were submitted for rough analysis. Gia s d to z diamond color grading system measures the degree of colorlessness by comparing a stone under controlled lighting and precise viewing conditions to masterstones of established color value. Diamond quality can be communicated in a universal language and diamond buying consumers can know exactly what they are about to purchase. Diamond 4cs and gemstone information.

Insist that any diamond you buy come with an indisputable verification of its quality. Almost every diamond sold today is rated using the gia color scale whether it was actually certified by the gia or not. Full 4cs assessment with a plotted clarity diagram geographic origin and gia report number laser inscription. 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.

A diamond grading report from an unbiased scientific source such as gia is more than important information it s proof of what you are buying. Diamonds of d k and z gia color grade the gia grades diamonds on a scale of d colorless through z light color.