Your search for "stacking ring set" revealed the following:

Honeybee and Honeycomb Stacking Ring Set, One of a Kind, 14K and Sterling — $799

14K Tourmaline Ring Set, Stacking Rings, Solid gold, One of a kind — $999

14K Tourmaline Stacking Rings, Green Yellow Pink Tourmaline, Solid Gold — $599

Pink Tourmaline Ring, Geometric Stacking Ring, Sterling and 14K SOLID Gold — $399

14K Pink Watermelon Tourmaline Slice Ring, stacking ring, SOLID Gold — $599

14K Paraiba Tourmaline Ring, Geometric Stacking Ring, SOLID Gold one of a kind — $1,399

Verbena Flower Ring, Sterling and 14K Ruby Flower Ring, One of a Kind — $399

14K Emerald Ring, Wide Band Ring, Emerald Flower Ring, Columbian Emerald — $4,699

14K Two Diamond Ring, Moi Toi Ring, One of a Kind, Wide Ring, SOLID Gold — $3,499

14K Diamond Flower Ring, Solid White Gold Diamond Wide Band Ring — $5,999

Paraiba Tourmaline Ring, Brazilian Paraiba Flower Ring, Solid Rose Gold — $2,699

Flower Ring, Wide Band, Silver and 14K Solid Gold, One of a kind — $399