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Colored Karat Gold Jewelry 2018-01-26 17:39:23

If you are trying to buy gold jewelry, you best to know karat gold jewelry. Similar to the diamonds are measured by the 4C, gold is measured in karats. Karat is the term used to measure the percentage of gold. Karats include 24k gold (pure gold), 22k gold, 18k gold, 14k gold, 10k gold, 9k gold, and 8k gold. The number represents the purity of the gold. Here is the karat gold fineness chart.


Karat System (Carat)

Karat

Fineness

24k

1000

22k

916.7

18k

750

14k

583.3

10k

416.7

9k

375

8k

333.3


24 karat gold is called pure gold, 100 per cent gold and 99.99 per cent gold. It has beautiful bright yellow color. 24k gold is pure gold without traces of any other metals. 24 karat gold is comprised of 24 parts pure gold. 22 karat gold is comprised of 22 parts gold and 2 parts of other metals added as alloy. 18 karat gold is comprised of 18 parts pure gold with 6 parts of other metals added. 14 karat gold is comprised of 14 parts gold with ten parts of other metals added. 14 karat gold is comprised of 14 parts gold with ten parts of other metals added. 10 karat gold is comprised of 10 parts gold with fourteen parts of other metals added. 9 karat gold is comprised of 9 parts gold with fifteen parts of other metals added. 8 karat gold is comprised of 8 parts gold with sixteen parts of other metals added.


Different Colors of Gold

Did you find colored gold jewelry on the market? White karat gold and rose karat gold jewelry is most common. Do you know why the gold jewelry shows different colors? What colors are they?


Colored Gold

Alloys

white gold, rose, red, and pink gold, grown gold, spangold, green gold, grey gold

Intermetallic

Purple gold, Blue gold

Surface treatments

Black gold, Blue gold


White gold is made by adding nickel or palladium. Rose gold is also named red gold and pink gold, Russian gold. Rose gold was popular in Russian in the nineteenth century. The color is depends on the content of copper. Pink gold contain the least copper, on the contrary, red gold contain the highest copper. The highest karat of rose gold is also known as crown gold, which is 22 karat. spangold is the reason of spangling effect. Green gold is given a green color by adding more of zinc and silver. Grey gold contain gold, silver, manganese and copper in proportion.



Purple gold which also called amethyst gold and violet gold is an alloy of gold and aluminum rich in gold-aluminum intermetallic. Blue gold is an alloy of gold and gallium or indium.


Black gold can be produced by several methods. Black gold can be plated with black rhodium or ruthenium. The black colored gold id treated with sulfur and oxygenated compounds.


A surface color can also be given to gold articles by electro-plating. However this can only be a surface finish and will be worn off over a period of time.


Luster-Jewelry wholesales sterling silver and karat gold jewelry.

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