Round lab-grown emeralds are a classic and timeless shape that works well in a variety of jewelry designs. They are typically cut with a brilliant or mixed-cut style, which enhances their sparkle and brilliance.
It's worth noting that lab-grown emeralds are not fake or imitation emeralds - they have the same chemical composition, physical properties, and optical characteristics as natural emeralds. However, some people may still prefer natural emeralds due to their unique origin and historical significance. Ultimately, the choice between natural and lab-grown emeralds is a personal one that depends on your individual preferences and values.