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Ruby, also known as the king of
precious stones is said to be the most precious of all
gemstones.
The colours of the rubies range from red to orange-red to
purple-red. The more intense the colour, the better the quality.
Other factors that affect the value of the gemstone are clarity
and carat weight. The more popular cutting shapes include oval,
round, pear, marquise, square or rectangular emerald.
Learn more about:
Jade
Sapphire
Emerald
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