Gemstones are considered rare and valuable due to their unique colors, characteristics, and origins. For example, a gemstone with a rare color, such as the pink of a diamond or the orange-pink of a padparadscha sapphire, is considered more valuable than a gemstone with a common color, such as the yellow of a citrine or the blue of a sapphire.
The value of a gemstone is also determined by its quality, which is measured by its color, clarity, cut, and carat weight. A gemstone with a high quality, such as a diamond with a high color and clarity grade, is considered more valuable than a gemstone with a low quality, such as a diamond with a low color and clarity grade. So read on to learn more...

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