Gemstones are found in virtually every color imaginable. Similar to diamonds, gemstones are also evaluated with "The Four C's" which look at different areas to assess value.
In gemstones a superior cut is marked by a few different factors including: the stone’s ability to reflect light, symmetrical appearance, luster etc. A well cut gemstone will not show "windowing" or light leakage. It will enhance the color, or the stones phenomenon, to its maximum potential.
A gemstone’s color is the most important factor, in most cases, when valuing a gemstone. An intense, heavily saturated color of medium tone in most gemstones is the most desirable. Check out our color description chart.
Most gemstones have some degree of naturally occurring inclusions. Generally speaking, the better the clarity in a gemstone the better the quality though this is not always the case.
The carat weight, or size, of a gemstone is also a factor in value. Since gemstones have different densities (or specific gravities) size does not always correlate to carat weight. Certain gemstones, like hematite, are much heavier than other gemstones like Opal. Generally speaking, the higher the carat weight the more valuable the stone. Check out our mm to carat weight chart.
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