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Diamond Terminology

Diamond Cut

The cut of a natural diamond determines how it interacts with light. The Cut Grading System assesses diamond appearance, including its brightness, fire, and scintillation, which make up the way a diamond reflects light, dispersing it into colour, and sparkles.

To maximize its beauty, natural diamond cutting requires a mix of artistry and precision. Which is why diamond cut grade also judges a diamond based on the craftsmanship that went into it, meaning the diamond proportions, polish, and final symmetry.

Diamond Carat

The carat of a natural mined diamond is the measurement of the diamond’s weight. The carat derives its name from the carob seed, a small, uniform seed with a commonly equal weight. These seeds were used to balance scales in early gem trading, before the metric carat was created as the universal form of measurement.

A full diamond carat weighs 200 milligrams, and full carat and larger natural diamonds are becoming rarer by the day as supply continues to decrease and only one significant deposit has been found in decades”

Diamond Clarity

Natural diamonds formed deep within the Earth, and as a result, they often carry unique markings called inclusions or blemishes. These common markings are usually the result of non-carbon elements or interruptions during the extreme heat and pressure a diamond goes through while forming deep within the Earth and can be considered small time capsules that tell the story of the natural diamond’s formation.

The clarity of diamonds refers to the absence of these inclusions or blemishes. Natural diamonds that form without any inclusions are extremely rare and deemed “flawless” on most grading scales. These rare diamonds are some of the most valuable in the world.

Diamond Colour

A natural diamond’s colour grade is usually a measure of how colourless the diamond is. Most natural diamonds appear colourless to the average shopper, but actually have slight tones of yellow or brown. The closer the stone is to colourless, the rarer and generally more valuable it is. Natural diamonds are graded on a colour scale ranging from D (colourless) to Z (heavily tinted brown or yellow).

Diamonds can also form naturally in almost any colour imaginable because of factors apparent in the earth when they form. Most of these natural “fancy” colours are so rare that their value can be limitless, and they are graded on a scale more closely describing the visible colour.

The Certification

Also known as a diamond grading report, diamond dossier or a diamond quality document. The report is created by gemmologists who evaluate the characteristics, value and identity of the diamond, which is confirmed within the certificate.

The Ratio /Over all shape

The contour of a diamond is essentially the shape of the diamond. It is also dictated by the ratio, which is the length divided by the width measurement. The bigger the ration, the longer and thinner the diamond shape.

Length (1.50) divided by Width (1.0) = Length to width ratio (1.50)

The Cost

You don’t need to get the highest quality diamond to get something that is of equal beauty. The price will vary depending on the quality of diamonds in the market, the source of the diamond and where it was manufactured.

Remember, you are buying something that is a great vessel of value, which can be passed along for many generations.