Carat Weight

Trade & Valuation

Definition

The standard unit of mass used for gemstones, equal to 0.2 grams (200 milligrams), universally adopted by the gem and jewelry trade worldwide.

Detailed Explanation

宝石的标准质量单位,等于0.2克(200毫克),被全球宝石和珠宝贸易普遍采用。