Abstract: An oval shaped diamond, adapted to display a hearts and arrows pattern when exposed to light characteristic of the hearts and arrows pattern in a round diamond, comprising: an oval shape having two long sides symmetrical to each other, two short sides symmetrical to each other and four diagonal sides symmetrically located between the long sides and the short sides respectively, eight main crown facets, eight main pavilion facets, sixteen pavilion half facets; a uniform girdle of varying thickness separating the crown and pavilion facets, twelve subsidiary pavilion facets and eight crown star facets with each crown star facet including two facet sections of equal size and geometry on each of the two long and two short sides of the oval shaped diamond and two facet sections of non-equal size and geometry in each of the four diagonal or shoulder sides of the oval shaped diamond.