A 0.25 ct. or larger asscher, round, emerald, oval, pear, cushion, heart or square shape stone can be set with this ring. Elegant Diamond White Heart Ring With Single Diamond, Formal Heart-shaped Diamond Ring With Single Diamond, Classic Asscher Cut Rings With Accent Stones, Heart-cut Emerald Ring For Formal Occasions, Heart Cut Emerald Ring For Formal Occasions, Oval Diamond Heart Ring For Formal Occasions, Oval Heart Ring With Center Stone For Promise, Formal Heart Cut Emerald Ring, Heart Cut Platinum Diamond Ring