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Although gold is very valuable, it is also very expensive. Gold jewelry is stamped with its karat weight. Gold jewelry is made using alloys. Colored gold is more valuable than white gold.
Gold2～4 Gold1～3 Gold5～6 Gold4～5 Gold2、Gold4
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A Valuable Metal—Gold Looking for Gold Jewelry and Coins What is Karat
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The lower the karat rating, the purer the gold. The higher the karat rating, the more expensive the gold. The higher the karat rating, the less valuable the mixture. The lower the karat rating, the purer the alloy.
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