Inclusions do not affect the value of the stone as long as the brilliance of the gemstone is maintained and they are not visible to the naked eye. Intensity and uniformity of the red color are the factors used to determine the price of rubies. Highly valued rubies are those with intense medium red and uniformed color. Intense pink rubies can be highly appraised as well, if they are clear and beautifully cut. The evaluation of rubies should be done under different light settings.
Light is therefore a very important factor in determining the true color of rubies.
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