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Karat vs. Carat


One of a Kind 18KY gold Gothic ring with platinum faces.  This ring is set with a 7 ct diamond and has a custom flat shape on the bottom of the ring.

A karat represented by the abbreviation k. or kt. Gold is often mixed with another metal or metals to create more durable and less expensive jewelry. One karat represents 1/24th of the whole, so 24 karat gold is pure gold. Any karat designation less than 24 shows that the gold is combined with other metal(s), creating an alloy. Gold designated as 18 karat gold, consists of eighteen parts gold and six parts other metal, for total of 24 parts.  75% gold. Gold designated as 14 karat contains fourteen parts gold and ten parts other metal.  58.5% gold.  Ten karat gold, contains ten parts gold and fourteen parts other metal.  41% gold, which is the minimum karats which may be deemed “gold” in the United States.

various gemstones

The term carat is believed to be derived from the carob bean, which is a seed pod exhibiting such consistent weight that it was historically used to measure the weight of gemstones

A carat, abbreviated c. or ct., is a unit used to measure the weight of diamonds and other gems. One carat is 200 milligrams, or 1/5th of a gram.  Note that the carat designation refers to the weight of a gem, not its physical size. One carat of a denser gemstone, Cubic Zirconia, would appear smaller than one carat of a less dense stone, diamond.

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