|Ounce||US Dollar||US Dollar||Ounce|
|1 Ounce =||877.5 USD||1 USD=||0.00114 Ounce|
|2 Ounce =||1755 USD||2 USD=||0.00228 Ounce|
|5 Ounce =||4387.5 USD||5 USD=||0.0057 Ounce|
|10 Ounce =||8775 USD||10 USD=||0.0114 Ounce|
|20 Ounce =||17550 USD||20 USD=||0.02279 Ounce|
|25 Ounce =||21937.5 USD||25 USD=||0.02849 Ounce|
|50 Ounce =||43875 USD||50 USD=||0.05698 Ounce|
|100 Ounce =||87750 USD||100 USD=||0.11396 Ounce|
|1000 Ounce =||877500 USD||1000 USD=||1.1396 Ounce|
Karat is an ancient unit to indicate the purity of gold alloys. A unit karat contains 4.1667% gold, or equal to 1/24 part. Therefore, the value of Karat gold represents the different proportion of gold. 18K gold is referred to as pure gold that means 75% gold mixed 25% other metals.
Generally speaking, karat gold is used to make gold jewelry. The karat gold has rich colors because of being mixed different metal, such as copper, silver or zinc. When karat gold shows red that mixes some copper in gold; when it shows light red that mixes some copper and a little silver in gold. Thus, the color of karat gold is based on the mixed metals and their proportion.