Rose gold is an alloy that is used for making diamond rings and other pieces of jewelry. This means that jewelers mix gold with other metals and alloys to create rose gold. Rose gold diamond rings are loved by women due to their elegance, simplicity, and low cost. However, couples who are shopping for diamond rings often ask whether they should buy 18k rose gold diamond rings or settle for 14k rings. The first thing you should note is that a 14k diamond engagement ring is less pure when compared to an 18k diamond ring. So, if you are in search of a pure diamond ring, then you should consider investing in an 18k diamond ring. In fact, the percentage of pure gold in 14k rose gold diamond ring is 58.5%, whereas the same in 18k rose gold diamond ring is around 75%. Another major difference between 14k and 18k rose gold diamond rings is their color. The color of the former type of diamond rings is pink, which is considered as a symbol of timeless romance by several couples. On the other hand, the color of 18k rose gold diamond rings is yellow. The yellow color of these diamond rings is due to the presence of more amount of gold in them.