2(1)A description indicating that an article, or the metal in an article, is of so many carats is to be presumed to be an indication that the article or metal is of gold, and that its fineness is that specified in the following table for that number of carats.U.K.
(2)This paragraph shall not apply if (as in a case where the article is a precious stone) the word ’carat’ is used as a measure of weight for precious stones, and not as a measure of fineness.
Table
| Number of carats | indicates gold of a standard of fineness of |
|---|---|
| 9 | 375 parts per thousand |
| 12 | 500 parts per thousand |
| 14 | 585 parts per thousand |
| 15 | 625 parts per thousand |
| 18 | 750 parts per thousand |
| 22 | 916·6 parts per thousand |
and so in proportion for any other number of carats.