There are many beautiful small diamond engagement rings available in the market that are sure to offer the same effect of their bigger counterparts but at an affordable budget range. In fact, there are many petite diamond rings, which can even beat the elegance of the bigger ones. The most common design for the small diamond engagement rings features a round cut diamond of 0.4-carat weight on 22k yellow gold. The gemstone is secured in place using the four prong setting so that the center stone is well emphasized. If you desire a blingy option, the best way is to choose a thin band ring that is entirely paved with melee diamonds. You can also elevate the design by adding a diamond of comparatively bigger size at the center. Note that it is better to channel set the diamonds in these kinds of petite diamond rings. For a stylish option, you can choose an open-end platinum diamond ring that features two small diamonds at the endpoints. Go for a thin platinum ring with an elongated baguette diamond at the center.