A Hearts On Fire diamond is more than any other diamond—it’s the world’s most perfectly cut diamond. It ignites something in everyone it touches. It ignites wonder, exhilaration, and fireworks up the back of your neck. A Hearts On Fire diamond ignites today and a lifetime of tomorrows. Only the perfect cut unleashes a diamond’s brilliance, and its power to ignite. Shop our great selection of Hearts On Fire jewelry, crafted with the signature cut Hearts On Fire diamonds and top-quality 18K metals.