Tauira Gold Kei rerekē rā tauira koura i roto i carats, huru koura ōrau o te koura ranei.
| huru | carats | ōrau Gold |
| 999 | 24 | 99.9 |
| 958 | 23 | 95.8 |
| 750 | 18 | 75 |
| 585 | 14 | 58.5 |
| 583 | 14 | 58.3 |
| 500 | 12 | 50 |
| 375 | 9 | 37.5 |
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