Gia Diamond Ratings

This report includes all the important 4cs grading results as the diamond grading report but does not include the plotted diagram.

Gia diamond ratings.

For standard round brilliant cut diamonds falling in the d to z color range. Diamonds of d k and z gia color grade the gia grades diamonds on a scale of d colorless through z light color. All d z diamonds are considered white even. 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. 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. 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. For loose natural d to z color diamonds only weighing 0 15 carats or more that were submitted for rough analysis.

Insist that any diamond you buy come with an indisputable verification of its quality. The differences in diamonds can be so subtle even a trained jeweler can t recognize them without lab verification. The diamond industry has adopted the gia diamond color scale. 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 two very important things. 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. Many of these diamond color distinctions are so subtle that they are invisible to the untrained eye. Gia diamond grading report.

Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader. However these distinctions make a very. 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. 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. Diamond quality can be communicated in a universal language and diamond buying consumers can know exactly what they are about to purchase.