Heart diamonds are the quintessential romantic diamond styled gemstone. These diamonds are very similar in terms of their cut and shape to the pear, but the curves at the top are shaped to form a heart.The heart shaped diamond typically contains 59 facets and sparkles most beautifully. When choosing a heart diamond, the symmetry of the stone is incredibly important, and not just for aesthetic reasons, but also to ensure maximum fire and brilliance.There are many heart diamonds to select from in this section of the Hatton Jewels website. You can pick out your perfect loose heart diamond or have it set into one of the various mount options available.