The Hearts On Fire cut is a beautiful blend of art and science. Our seasoned, expert diamond cutters use an in-house formula and the best technology in the industry to cut our diamonds to perfection, every single time.   Since 1996 Hearts On Fire, The World’s Most Perfectly Cut Diamond, has stood for the highest standards in diamond cutting excellence. Hearts On Fire diamonds begin from the most optically pure and responsibly sourced raw materials and are perfected through exceptional craftsmanship and consistent precision. The result is a sparkle and brilliance unmatched in any other diamond.   Learn more about our signature Diamond cut from here.