A 0.21 ct. or larger asscher, round, square, emerald, cushion or oval shape stone can be set with this ring. Classic Emerald Ring With Single Diamond, Modern Solitaire Emerald Ring In White Gold, Classic Oval Emerald Ring With Tension Setting, Modern Solitaire Emerald Ring With Round Cut, Modern Solitaire Emerald Promise Ring, Formal Round Cut Emerald Ring With Tension Setting, Elegant Emerald Ring With Tension Setting And Round Cut, Modern Emerald Ring With Center Stone, Modern Solitaire Asscher Cut Ring