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黄金首饰是指以黄金为主要原料制作的首饰。黄金首饰的含金量上可分为纯金和K金两类。纯金首饰的含金量在99%以上,最高可达99.99%,故又有“九九金”、“十足金”、“赤金”之称。K 金首饰是在黄金材料中加入其它金属(如银、铜金属)制造而成的首饰,又称为“开金”、“成色金”。由于其它金属的加入量有多有少,便形成了 K 金首饰的不同 K 数。
Gold jewelry is made of gold as the main raw material of jewelry. Gold jewelry gold content can be divided into two types of gold and K gold. Pure gold jewelry gold content of 99% or more, up to 99.99%, so there are “ninety-nine gold”, “full gold”, “red gold,” said. K gold jewelry is made of gold in the addition of other metals (such as silver, copper metal) made of jewelry, also known as “open gold”, “golden”. Due to the addition of other metals have more or less, they formed a K K gold jewelry different numbers.