How big is a 6mm stud earring? What does a 6mm gemstone look like? Here are some photos of a model wearing 6mm round cabochon and rose cut gemstone stud earrings to help you figure out what all those confusing sizes actually translate to in real life. Also shown here is a comparison between...
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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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