https://ovalpearl.wordpress.com/2022/08/26/what-are-popular-oval-engagement-ring-styles/

The oval form, which is essentially a longer-cut version of a round diamond, is recognised for its brilliant facet pattern. The extended cut enlarges the stone while making the wearer’s finger appear thinner and longer. Oval cuts are becoming increasingly popular among modern brides-to-be as an exquisite, non-traditional alternative for engagement rings.