Unlike diamonds where the cut is one of
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gemstone saturation on 01 22nd, 2009 |
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The GIA specifies and labels up to thirty one gemstone hues. Unlike diamonds, where the cut is one of the important factors, the colour of coloured gemstones such as emeralds, rubies, sapphires, and tanzanite can influence as much as fifty percent of gemstones value.Gemstone Colour Grading Basics Gemstone...