History of Colored Diamonds

While diamonds without color command much higher prices than colored diamonds, it’s extremely rare to find such a structurally perfect diamond. Colored diamonds have come into a market all their own in recent years, and different colors can either increase or decrease a diamond’s value. Intense colors such as pink or blue can be considerably more valuable than a white diamond with traces of yellow coloring.

Colored diamonds appear when there are chemical impurities within the diamond or structural defects can be found. Nitrogen, one of the most common impurities, causes diamonds to take on a brown or yellowish hue. Most white diamonds have been affected by nitrogen; in rare cases, the effect isn’t noticeable, thereby increasing the value of the stone dramatically.

Colored diamonds other than brown and yellow typically command much higher prices and are significantly rarer than their common counterparts. Pale pinks or blues are valued, but intense colors are usually regarded as more desirable and thus more expensive. There are many impurities that can cause diamonds to turn different colors, including pink, blue, yellow, red, green, brown, etc. Intensely colored diamonds are usually referred to as “fancies” throughout the diamond industry, and a rating system has been put in place to distinguish varying fancy colors from one another. However, because of the relative rarity of these colored diamonds the system is not often used.

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