Prices of stones tend to rise exponentially as their size increases. This is because of two factors. First, larger patches of gem-quality material that can be cut into a faceted stone are rarer than smaller ones, so for most stones there is a smaller supply of larger sizes. For example, a .5 carat stone...
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If you love colored gemstones but don’t have a fortune to spend on that cocktail ring in the jeweler’s window, don’t despair. Thanks to some little-explained quirks of the gem trade, you may be able to indulge in the color and sparkle you love without taking out a second mortgage on the house! Ever...
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