A diamond grading report describes in detail the characteristics of an unmounted diamond or gemstone. … The 4Cs of diamond quality: color, clarity, cut and carat weight. This will differ slightly for colored gemstone grading reports, where color is the most valued quality factor.
What is a diamond report number?
The GIA certificate, also known as the GIA Diamond Dossier, includes a unique GIA report number; this includes a laser inscribed code in letters no larger than a few micro on the girdle of the diamond. This report number is unique to every diamond and you can verify the report number on the GIA website.
What should I look for in a diamond report?
The shape and cut of the stone. The dimensions and carat weight of the diamond. The origin of the diamond’s hue (distinction between natural and treated coloring) The color grading of the diamond (fancy color grade and hue intensity)
What does diamond grade mean?
Diamonds are graded on a scale of D (completely colorless) to Z (lightly colored). To determine a diamond’s color, diamond graders place the diamond in a standardized viewing environment and compare each diamond to “color masters,” records of the color of each diamond color grade.
What does a GIA report tell you?
A GIA report contains a full scientific and unbiased assessment of your diamond’s 4Cs. … GIA reports provide a full description of the diamond, including color, weight, measurements, and cutting style, and will disclose any known treatments.
What do diamond measurements mean?
A diamond’s size is how large the diamond will look when viewed from above, while carats describe how much the diamond weighs. One carat is equal to 0.2 grams, so a five-carat diamond weighs one gram. A diamond’s size is described in millimeters (mm). These measurements are roughly comparable to carats.
How do you read a diamond tag?
MEASUREMENTS Diamond dimensions listed as “minimum diameter – maximum diameter x depth” for round diamonds and “length x width x depth” for fancy-shaped diamonds. 5. CARAT WEIGHT Weight given in carats, recorded to the nearest hundredth of a carat. One carat is equal to 1/5 of a gram.
What is best clarity diamond?
What is the best diamond clarity? The best diamond clarity is Flawless (FL). To explain, a Flawless diamond features no internal or external blemishes. Similarly, the Internally Flawless (IF) grade means the diamond has no internal flaws, but might have external blemishes.
What carat of diamond is best?
A 1/2 carat engagement ring and above is a good size in general. At 0.5 Carat, the diamond will be noticeable but not overpowering. At 1.0 Carat, the diamond is more eye-catching.
How do you tell if a diamond is real with a flashlight?
To tell if a diamond is real with a flashlight, hold the flashlight vertically with the beam shooting up, and place the stone upside down on the lens. Examine how the light from the flashlight passes through and exits the stone.
Is a VS1 diamond good?
For people who are on a budget and are conscious about clarity, VS1 diamonds are great options to consider when shopping for diamond jewelry. The VS1 grade provides good value for money and lies in a sweet spot on the clarity scale with very minor inclusions that are not visible to the naked eye.
How do you read a diamond rating?
When writing the grades of a diamond using the AGS Scale, diamond Cut grade is first, then diamond Color, Clarity, then Carat Weight—in that order. If a diamond possessing the finest diamond Cut grade is also colorless, free of inclusions and blemishes, and weighs one carat, it would be written as: 0/0/0–1.000 carat.
What is the clearest diamond grade?
The highest clarity grade for a diamond is FL, or flawless. The GIA only ever grades a diamond as flawless when it has no inclusions or blemishes that can be seen by a skill grader, even if it’s viewed under 10x magnification.
What do diamond color letters mean?
Diamond color is all about what you can’t see. … 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 a GIA diamond certificate?
The terms “GIA certified” and “GIA cert” are commonly used in the jewelry industry to refer to diamonds that have undergone GIA’s rigorous grading process and to the reports that accompany them. GIA itself does not use the word “certificate” to describe the document it issues.