Besides all the different shapes and sizes diamonds come in, they also appear in various colors. The most popular colored diamonds are the different hues of pink and blue. If you look hard enough though, you can come across some yellow ones too.
The GIA ascribed a specific color grade for each of the Royal Coster diamonds. At first look, inexperienced diamond shoppers would describe a regular, colorless diamond as white or transparent. However, there is much more to a diamond’s color than you may think. Determining the color of a diamond is a very difficult task which requires a specific environment. The setting in which this process takes place is structured to eliminate light and color from surrounding surfaces. It is practically impossible to notice any differences in the diamond color when the gems are being observed within this limited environment. To determine the correct color, the GIA color scale is used. This is the most popular scale and commonly used by all the major diamond shops.
The color scale for diamonds, according to the GIA grading scale ranges from D through Z. The D stands for colorless and Z and describes light colored diamonds. All diamonds that are within the D-Z range carry the label “white”, however, varying hues are somewhat apparent. The colorless (D) diamonds are more rare than the yellowish diamonds all the way to Z. The closer the color of the diamond comes to white (or transparent) the more unique, rare and expensive the diamond becomes. The table below shows the different nuances and grades (D-Z) diamonds can have:
Determining the precise color of a diamond can be a daunting task. Additionally, the moment the diamond is placed into the crown of the ring, establishing the real color of the diamond becomes even harder. One of the reasons why it is such a baffling task, is because the diamond enters an environment in which it is affected by the light and the different colors surrounding it. An example of this could be an H graded diamond placed in a ring crown. Under regular circumstance it will appear as colorless as a D graded diamond. This is how some organizations will unfairly sell an H-graded diamond as an D-graded diamond. This is not always intentionally of course, but a lack of proper evaluation equipment.
Yellow, red/pink and blue colored diamonds, on the other hand, belong to a separate group and a different color scale is used for their grading. They are labeled Fancy Colored Diamonds. The terminology also differs from that of white diamonds. For instance the red/pink colored diamond has three different variants: the Fancy Red, Vivid Red and Fancy Deep Pink.
Blue diamond’s different nuances entail the Faint, Very Light and Light Blue, as well as Fancy, Fancy Light, Fancy Dark, Fancy Intense, Fancy Deep, Fancy Vivid.
The mounting or the metal used to prepare the ring itself also plays a crucial role when addressing different aspects that determine a diamond’s hue. For instance, a diamond’s yellow nuances in a yellow gold ring will not show as strongly as they would in combination with a whiter metal.
Additionally, on a value-related note; color gains more significance as the carat weight expands.
> Take a look at our colored gems collection
Coster Diamonds is the oldest diamond polishing factory in the world. Located in the heart of Amsterdam between the Rijksmuseum and the van Gogh museum we welcome more than 400.000 visitors each year.
The largest selection of unset diamonds, the finest diamond jewellery and tax-free shopping makes us a must-see hotspot for anybody visiting Amsterdam or looking for high quality diamond jewellery.
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