Rose gold engagement rings can be less expensive than yellow gold, white gold, and platinum engagement rings. But the exact cost depends on a few factors.
Rose gold is an alloy, meaning it's made by mixing precious metals together. 14k rose gold contains pure gold, copper, and silver. These metals combine to create rose gold's signature pink color. Combining metals helps to strengthen the gold, making rose gold durable.
While rose gold does not tarnish quickly and is quite durable, it contains copper. Although it is not common, there may be some people who are allergic to copper, causing them to have a reaction. When browsing for engagement rings, it is important to pay close attention to the metals being used, as they can cause certain allergic reactions.
A precious metal's cost depends on how expensive its ingredients are. For example, 24k gold is the most expensive yellow gold option because it contains the highest concentration of yellow gold, this also makes it pure gold. Rose gold doesn't contain as much yellow gold; the alloys that make rose gold tend to be less expensive, as well. These factors can make rose gold engagement rings less expensive than yellow gold, white gold, or platinum engagement rings.
The overall cost of your ring also depends on the features you choose. A round diamond solitaire ring will be one of the most cost-effective options because it's the most simple (and common) type of ring. White diamonds or clear diamonds tend to be less expensive than colored diamonds as well, though a more brilliant diamond with higher quality will drive up the price.