Yellow, White, and Rose - What Your Gold Ring Means
There are many types of beautiful gold, but have you ever stopped to think about the difference between yellow, white, and rose gold? Learn more about what Gold Rings those gold rings on your finger mean!
Yellow
The purity of gold is measured in karats. If gold is 100% pure, then it is 22 karat gold (24K) and is a bright yellow color. In its purest form, yellow gold is soft, ductile, and malleable, and it scratches easily, making it unsuitable for jewelry wear. Consequently, it must be alloyed with base metals to give it strength. Generally copper is most commonly used as the base metal, but silver or palladium is also used. The amount of base metal used in the alloy dictate the number of karats:
White
The term white gold is used very loosely in the fine jewelry industry to describe karat gold alloys with a whitish tinge. The term "white" covers a large spectrum of colors that include pale yellow, pale rose, and tinted brown; the jewelry industry often hides these off-white colors with rhodium plating, a white and reflective metal that provides an excellent 22ct gold rings protective coating.
White gold is an alloy of gold and at least one white metal, usually silver, copper, manganese, palladium, or nickel. Nickel and palladium act as primary bleaching agents for gold; zinc acts as a secondary bleaching agent to counter-balance the color of copper.
White gold's properties vary depending on the metals and proportions used in the alloy: a nickel alloy is stronger and therefore better for rings and pins, while palladium alloys are softer and better for gemstone settings.
Rose, Red, and Pink
Rose, red, and pink are gold and copper alloys widely used for specialized jewelry. Although the names are often used interchangeably, the difference between rose, pink, red, and pink is the amount of copper in the alloy - the higher the copper content, the more red it will look.
The highest karat version of rose gold is 22 karat, and is also gold ring for men known as crown gold. 18 karat rose is the most common alloy, and is typically 75% gold, 21% copper, and about 4% silver is added. 14 karat rose contains 41.67% copper and is frequently found in the Middle East. A common alloy for rose is 75% gold and 25% copper by mass (18 karat).
Other Colors?
Although quite rare, blue gold can be made with an alloy of gold and iron, and purple gold can be made with an alloy of gold and aluminum. These are more brittle however, and therefore more difficult to work with when making jewelry. 22 karat and 22 karat alloys with silver alone appear greenish-yellow and are referred to as green gold.
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