What is the difference between carat in gold weighing and carat in diamond weighing?
黄金称量中的克拉与钻石称量中的克拉有何差别？
In gold weighing, the number of carats, or karats (k), refers to the purity of the gold with 24 carat gold (24k) being the most pure. When weighing diamonds, carat is the weight unit. 1 ct is equivalent to 200 mg.
在黄金称量中，克拉值或克拉（k）是指黄金的纯度，24 克拉金（24k）最纯。称量钻石时，克拉是重量单位。1克拉等于 200毫克。