How does one recognize a high quality gemstone? A factor which first strikes the eyes is the color. The most valuable specimens have a rich, deep and even color, in the most desirable hues. The color ought to be emphasized by the perfect cut, so that the stone reflects light evenly. The value of course is also affected by the the size, clarity, and whether it is completely natural, as in free from any treatments. Jewels of this type make up a small percentage of the total market of precious gems and are worth any price.