| Ounce | US Dollar | US Dollar | Ounce |
| 1 Ounce = | 1275 USD | 1 USD= | 0.00078 Ounce |
| 2 Ounce = | 2550 USD | 2 USD= | 0.00157 Ounce |
| 5 Ounce = | 6375 USD | 5 USD= | 0.00392 Ounce |
| 10 Ounce = | 12750 USD | 10 USD= | 0.00784 Ounce |
| 20 Ounce = | 25500 USD | 20 USD= | 0.01569 Ounce |
| 25 Ounce = | 31875 USD | 25 USD= | 0.01961 Ounce |
| 50 Ounce = | 63750 USD | 50 USD= | 0.03922 Ounce |
| 100 Ounce = | 127500 USD | 100 USD= | 0.07843 Ounce |
| 1000 Ounce = | 1275000 USD | 1000 USD= | 0.78431 Ounce |
Karat is a ancient unit to indicate the purity of gold. A unit karat of gold is 4.1667%, therefore, the different Karat gold represents the different proportion of gold. 24K gold represents 100% gold, that is the pure gold; 24K gold represents 100% gold mixed 0% other metals.
Generally, karat gold is used to make gold jeweler. The varied color of karat gold is mixed different metal, such as copper, silver or zinc. As the gold mixes copper, the color of karat gold is red; as the gold mixes copper and a little silver, the color of karat gold is light red. Thus, the color of karat gold is according to the mixed metals and their proportion.
