Natural Oval Diamonds

The oval brilliant adapts the round's facet geometry to an elongated elliptical outline, typically appearing 10–15% larger face-up per carat as its mass spreads across more finger surface. Every oval exhibits a bow-tie — a dark band across its width caused by light leaking through the pavilion — ranging from a subtle depth-adding contrast to a dominant flaw; photographs fix a single angle, making video or in-person evaluation essential for honest severity assessment. A length-to-width ratio of 1.35:1 to 1.50:1 produces the most balanced elongated silhouette.