Discover your favorite diamond shape for your jewelry. Purchasing a diamond only happens a few times in your life - make sure you choose the shape with the facets and style of diamond you want. Video illustrates these shapes: Round, Princess, Emerald, Asscher, Marquise, Oval, Radiant, Pear, Heart, and Cushion. Discover your favorite diamond shape - there are many kinds of jewelry with diamonds - earrings, necklaces, rings, bracelets... but some shapes look better than others depending on where it's going!