Redwood CityTODAY’S METAL PRICES & FACTS ABOUT GOLD
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Determining Karat Value (Fineness)
The purity of gold is described by its fineness, parts per 1000, or by the karat, a 1/24 part of pure gold by weight (the spelling “carat” is used in the British Commonwealth). Pure gold is alloyed (mixed) with other metals to make it more durable and affordable or to change its color. The table below lists karat qualities of gold jewelry.
| KARAT (USA) | PARTS GOLD | GOLD % | FINENESS (EUROPE) |
|---|---|---|---|
| 24K | 24/24 | 99.9% | 999 |
| 22K | 22/24 | 91.6% | 916 |
| 21K | 21/24 | 87.5% | 875 |
| 18K | 18/24 | 75.0% | 750 |
| 14K | 14/24 | 58.3% | 583 (585) |
| 12K | 12/24 | 50.0% | 500 |
| 10K | 10/24 | 41.6% | 417 |
| 9K | 9/24 | 37.5% | 375 |
| 8K | 8/24 | 33.3% | 333 |
Gold Content and Notation
A table indicating the composition of different gold alloys is presented below. It gives a better understanding of how some colored gold 18K is formed.
| GOLD Color | % gold | % silver | % copper | % palladium |
|---|---|---|---|---|
| yellow | 75 | 9.5 | 15.5 | |
| green | 75 | 25 | ||
| pink | 75 | 5.0 | 20.0 | |
| rose | 75 | 25.0 | ||
| white | 75 | 25 |
Quotes provided above are courtesy of Kitco.com. Buy, Sell, Loan Inc. is not responsible for the accuracy of the information provided.
