The most common diamond form and with a broad margin are round cut diamonds. They're expected to make up more than 70% of all the diamonds sold today. Round brilliant cut diamond never goes out of style which makes them still the most preferred choice.
The faceting pattern of a round brilliant diamond, with 58 individual facets, is designed for sparkle. Their success lies in their symmetrical form, their eternal nature, and their outstanding light dispersion. Owing to more demand for round lab created diamonds, they are more expensive than other fancy diamond shapes.