A karat (kt) is the unit of measurement of gold. It describes the gold content in a metal and is expressed out of 24. 14kt means that the metal is 14 out 24 parts gold, or 58.3% gold. Therefore, a piece of jewelry that is 10kt means it is 41.6% gold, 14kt gold is really 58.3% gold,18kt means it is 75% gold, 22kt is 91.6% gold, and 24kt is 99.9% gold (pure gold). Generally, 10kt and 14kt gold are more durable gold alloys. They are perfect if you like a paler gold color. 18kt, 22kt, and 24kt gold options are increasingly warmer in color and are often more expensive due to their higher gold content. Since gold is a soft metal, it is important to handle your gold jewelry with care, since it is susceptible to nicks and dings.
Of the major metals, yellow gold is the most hypoallergenic and the purest compared to rose and white gold. Those who have allergies to certain metals should look for 14kt - 24kt gold jewelry in order to avoid allergic reactions.
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