Metal Purity

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Diamond rings are most commonly set in gold, sterling silver, or platinum. 

 

Sterling silver diamond rings contain 92.5% silver, the remainder of the metal content is an alloy, typically either silver or copper.

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Platinum diamond rings contain at least 95% pure platinum, the rest being alloy to strengthen the metal.

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Below are metal purity levels for the most common gold karats.  Please note alloys are typically silver, copper, and zinc, although palladium may also be used:

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10K Gold Diamond Rings

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Gold = 41.7%

Alloys = 58.3%

 

14K Gold Diamond Rings

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Gold = 58.3%

Alloys = 41.7%

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18K Gold Diamond Rings

 

Gold = 75%

Alloys = 25%

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22K Gold Diamond Rings

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Gold = 91.67%

Alloys = 8.33%

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24K Gold Diamond Rings

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Gold = 100%

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Continue to Fancy Diamond Colors