The Ultimate 101 Guide to Diamond Grading

It is an overwhelming task to consider when choosing a gemstone for your engagement ring or a wedding band. There are so many factors to consider when it comes to making a selection & deciding on the right ring for your special occasion, such as the style and budget.

Knowing that diamonds have varying characteristics and color is very important when it comes to choosing one. This guide will help you get the most out of it.

1. What is Diamond Grading?

The qualities of a diamond are determined by a set of four main characteristics: brilliance, color, cut, and carat weight. The value of a diamond depends on a combination of these factors.

Another system used is the AGS 0-10 scale, where the grades of this gemstone are written in a specific order.  Cut grade comes first, followed by color, clarity, then carat weight. For example, if a diamond were colorless, free of inclusions and blemishes, and weighed one carat, it would be written as 0/0/0–1.000 carat. Many people have heard about the “4Cs” of stone grading but don’t really know how they influence this gemstone’s value. Let’s break it down.

2. Cut

The cut is ultimately very important, as it affects the way light gets diffused through it. This is because a well-cut stone will give it a more intense look. Cut also influences a diamond’s beauty. It shows how light will pass through the stone and how it looks when it is well-made.

The best cut will optimize the three optical effects: brightness, fire, and scintillation. They are the areas of light and dark that are in the rock.

A diamond’s rating is also determined by its arrangement & relative size. Its contrast provides a crisp, sharp look to the diamond.

3. Color

A stone’s chemical purity and structurally perfect appearance are evaluated to determine its value. The amount of yellow tint in a diamond is used to determine its worth. A clear gemstone with no yellow tint is considered structurally perfect and has higher value than one with a similar color.

The GIA Diamond Color and Clarity Chart shows white stones through a D- to Z color-grading system. Anything that is an IJ or higher rating are considered near colorless.

Although white diamonds are rarely noticed by the untrained eye, they can still be colored yellow.

4. Clarity

Imperfections in a gemstone are referred to as inclusions or surface irregularities.

Other imperfections may occur when a mineral crystal or smaller diamond is trapped inside a larger rock.

A perfect gemstone has no blemishes or inclusions on the GIA scale. Also, since these are the only visible features of a diamond, they do not affect its value more than its clarity.

5. Carat (Weight)

A carat is simply a unit of weight. It does not always mean that a gemstone is larger than its actual size. Also, two stones with the same shape may still have different sizes based on how they’re cut.

One metric carat is the weight of one gram. Due to the rarity of large diamonds, their value increases at an increasing pace. In total, it costs more to have a larger stone.

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6. The Perfect Alternative

If you’re looking for brilliance, clarity, and zero color in your gemstone, such diamond ratings may not be the most practical for your pocket. That’s why we suggest moissanite. As the world’s most brilliant gemstone, choosing moissanite instead as an alternative may be the right choice for you. Diamonite Moissanite Jewellery prides itself on selling moissanite gemstone jewelry of the highest quality. Check out our moissanite jewelry collection today or contact us at support@diamoniteshop.com to learn more.

1 comment
September 7, 2022

Thanks for your blog, nice to read. Do not stop.

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