Colour, while applied to white diamonds, is often misunderstood by people outer surface the diamond industry.

Most people imagine that all white diamonds are colourless. In fact, truly colourless diamonds are quite rare. The diamonds used mostly in jewelry are nearly colourless with pale yellow or brown tints. These diamonds drop into the usual colour range. In the normal colour range, the nearer to colourless, the more attractive and valuable the diamond.

In the 1950’s, the D-Z colour grading scale introduced by GIA that is stills the industry standard.

GIA Colour Grade Scale
D – F: Colourless
G – J: Near Colourless
K – M: Faint Yellow
N – R: Very Light Yellow
S – Z: Light Yellow

How is colour calculated?
Colour in white diamonds is normally calculated by comparing the diamond with the set of ‘master stones’. The maximum ‘master stone’ is E-colour. Any diamond enhanced than the E-colour master is rate d D-colour.

Each colour grade is really a skinny range of colors. There is no one accurate colour for any GIA colour grade scale. So, an F-colour diamond can be a physically powerful, standard or weak F-colour. Though, as long as the diamond is better than the G-colour master, it receives an F-colour grade.

Fluorescence
Fluorescence is an exclusive effect that causes some diamonds to create a glow (typically blue or yellow) when showing to a strong ultraviolet light. Some favor a diamond with some ‘blue fluorescence’ because it may create the diamond in the ‘near colourless’ or ‘faint yellow’ ranges look rather whiter.

In the ‘colourless’ range, fluorescence has no result on colour, although it can reason the diamond to have a little milky appearance.

Why diamond’s colour grade is important?
The luminous, fiery, sparkles of light that radiate from an elevated quality white diamond are matchless by some other gem. The diamond acts similar to a prism, dividing light into spectral colors, which are then reflected as colour flashes, known as fire. Any usual colour in the diamond filters the light, falling its fire and brilliance.

The fewer colour in the diamond, the more bright the fire, and the better the diamond’s colour grade. The better the colour grade, the more attractive and valuable the diamond.

Jamesallen is an expert author for Ideal cut diamonds, Diamond earrings, Diamond jewelry store. He written many articles like Diamonds, Loose diamonds.For more information visit our site http://www.jamesallen.com/. Contact me at jamesallen.article@gmail.com

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