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As for the two most commonly used metals for engagement and wedding rings–platinum and gold, most people distinguish them by their different color. While platinum is naturally white, gold is naturally yellow. However, rings made by white gold (composed of gold, alloys, and a rhodium plating) have a similar white color with platinum rings.

platinum vs gold

Since color is not a dominant reason why you buy a platinum ring or a gold ring, what else should you consider while purchasing a ring? Is there an answer to “which material is better for making a wedding ring”? Before we come to a conclusion, let’s make a comparison between the platinum ring and the gold ring.

Cost

The prices of these two kinds of precious metals are similar: expensive. Platinum is always more expensive because 1) its composition is denser, it requires more raw materials to make a ring, and 2) it is 30 times rarer and mined much less (160 tons vs 1500 tons annually) than gold. If you want a ring with a white color, you can save a lot by purchasing the white gold ring. 

Color & Maintenance

Both of platinum ring and white gold ring have the white color, but they are different.

platinum ring vs gold ring

Yellow Gold must be alloyed with some white metals such as silver, nickel or palladium and coated in platinum or rhodium to get a white color. Over time the coating in white gold will wear off and fade to a yellowish tinge. So it should be re-dipped every few years to retain its white color and shine. The good news is that this process is relatively inexpensive and many jewelers actually offer this service.

Composition & Weight

Most gold rings provided in the market are not made of pure gold but in 14K (58.3% pure gold) or 18K (75% pure gold) versions. 24K pure gold would be very soft, so it is often mixed with other metals to form an alloy that is stronger and more durable. 14k gold is usually better than 18k gold. Although 18k gold has a higher gold composition and is more valuable, it is softer and will scratch easier than the other.

Platinum is denser, stronger and heavier than gold. Before you but a ring, it is better that you try them both to see whether you like to wear a light metal or a heavier one.

The above factors play a big role in the price differentiation between platinum and gold rings. You can weigh each of these factors when you decide which material is better for rings of your own. For film coating materials, please visit Stanford Advanced Materials.

About the author

Julissa Green graduated from the University of Taxes studying applied chemistry. She started her journalism life as a chemistry specialist in Stanford Advanced Materials (SAM) since 2016 and she has been fascinated by this fast growing industry ever since. If you have any particular topics of interest, or you have any questions, you can reach her at julissa@samaterials.com.

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Stanford Advanced Materials (SAM) Corporation is a global supplier of various sputtering targets such as metals, alloys, oxides, ceramic materials.





 

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