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​September 5, 2012

What Makes a Yellow Diamond, Yellow?

As diamonds are forming underground, impurities can find themselves trapped within the structure of the carbon atoms that form to make a diamond. The impurities, which consist of different elements change the way light is returned to the naked eye and therefor create diamonds in every color in the visible light spectrum. 

The particular impurity that causes diamonds to appear yellow is nitrogen. Most diamonds do contain traces of nitrogen except for the most pure forms of carbon which are D color and type II. The nitrogen found in diamonds creates the scale that most people are familiar with, the D-Z scale, which as mentioned earlier starts with D, and as more carbon is contained in the stone increases along the alphabetical scale. 

Once a diamond contains enough nitrogen that it passes Z color, it is considered a fancy color diamond. The more nitrogen in the diamond now increases the value of the stone as it appears more yellow. The diamond now follows a fancy color scale, on which most yellow diamonds find themselves in the Fancy Light Yellow, Fancy Yellow, Fancy Intense Yellow and Fancy Vivid Yellow classifications.

A common term for fancy yellow diamonds is canary diamond.

Golden Star Diamonds holds a large inventory of fancy yellow diamonds (canary diamonds) in earrings, engagement rings, fashion rings, necklaces and bracelets.  

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