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Rose gold, red gold, and pink gold are made from a gold and copper alloy. Since copper has a bold pinkish-orange color, adding this alloy to gold gives the gold a beautiful pinkish gold color. 18K rose gold, 18K red gold, and 18K pink gold contain 75% gold. 14K rose gold, 14K red gold, and 14K pink gold contain 58% gold. The remaining percentage is made up of copper or copper and silver. The varying percentage of copper used determines the color of the gold. The more copper that is used, the stronger the rose color. Pink gold uses the least amount of copper, followed by rose gold, and red gold has the highest copper content.
There is no such thing as pure rose gold, since rose gold is an alloy of gold and copper. Below are examples of the common alloys for 18K rose gold, 18K red gold, and 18K pink gold.
Special Thanks to www.jewelryinfoplace.com for the above information.
