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Diamond Value Factors

Some diamonds have certain qualities which make them rarer (and more valuable) than others. Unlike other gemstones, diamonds have an internationally standardized terminology, which provides us with a systematic way of evaluating, describing and discussing the rarity/quality/value parameters of individual diamonds.

The Four C's

The Four Cs categorizing process was developed in the 1940s and '50s by the Gemological Institute of America (GIA) in order to objectively compare and value diamonds. The 4 Cs refer to Carat, Cut, Color and Clarity. No one C is more significant than the other, though rarity and value are directly related: the rarer the characteristic, the more valuable the diamond.

1 Carat (Weight)

Carat is a measure of weight but is often mistakenly used to denote a diamond's size. The term originates from carob seeds, which were historically used to balance scales when weighing gemstones. One carat is equivalent to 200 milligrams and can be divided into 100 'points.' A 0.50-carat diamond can also be described as a 50-point diamonds or half-carat diamond. If a jewelry piece contains several diamonds, the weight is expressed as the combined weight of all the diamonds featured on the piece. ct is the abbreviation of carat, which refers to a single diamond. ct TW stands for the carat total weight, which is the combined weight of all the diamonds on a jewelry piece. Carat is sometimes confused with karat or 'karatage,' which is the weight measure for gold.

1Carat

2 Color

Diamonds occur naturally in a rainbow of colors. White-colored diamonds are the most popular because they reflect the light better. The closer to colorless a diamond is, the more valuable it tends to be.

The GIA Color Grading Scale for diamonds is the industry standard used to grade diamonds in the colorless to light yellow range.

The scale profiles more than 20 subtle grades of color and identifies them in alphabetical order from D to Z, while comparing them to a master set of stones under controlled lighting and precise viewing conditions. Diamonds with colors that are outside the scale are known as "fancy color diamonds."

Diamonds with colours that are outside the scale are known as "fancy colour diamonds."

Pandora uses near colorless diamonds graded as G or H on the GIA Color Grading Scale. Their color is so slight that they appear colorless to the naked eye.

3 Clarity

Diamonds are formed under extreme heat and pressure and no two stones are alike. As a result, they often contain unique characteristics called inclusions, which are minerals or fractures created during their formation and blemishes, which are surface scratches and nicks, that help to distinguish natural diamonds from synthetic counterparts.

Clarity refers to these inclusion features, which are determined by viewing diamonds under a 10-power magnification loupe. The amount, type, color, size and position of the inclusions affect the value of a diamond. Fancy color diamonds are purchased almost exclusively for their color intensity and clarity is often disregarded.

Truly flawless diamonds are so rare that most jewellers have never seen one

Diamond Clarity

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Pandora jewelry uses diamonds that are classified as H/VS (Very Slightly Included) which means they have minor inclusions that are difficult to somewhat easy for a trained grader to see when viewed under 10x magnification.

4 Cut

A diamond in its natural state looks nothing like the finished gemstones on a piece of jewelry. Cut is the only value factor among the 4 Cs which is dependent on human intervention. The proper cut unlocks the true beauty of a rough diamond, and determines how the light interacts with its facets. And only a skilled diamond cutter can release its sparkle.

The cut refers to the diamond's shape outline, but it can also refer to a diamond's faceting, proportion, symmetry and finish. A well-cut diamond balances brilliance, which is the return of white light from the diamond to the viewer's eye, dispersion, which is known as 'fire' and is the flashes of color a diamond refracts, as well as scintillation, which is characterized as the sparkle seen when a diamond catches the light.

Pandora diamonds are shaped with the round brilliant cut, which is a cut that was invented specifically for diamonds.

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