Lucy Williams Stackable Tennis Ring - GoldMetal: 18k Recycled Gold Plating on BrassGemstone: Cubic ZirconiaBand Width: 4mmStone Dimension: 2.8mmWeight: 2.7gLucy Williams Stackable Tennis Ring - SilverMetal: Recycled Sterling Silver Plating on BrassGemstone: Cubic ZirconiaBand Width: 4mmStone Dimension: 2.8mmWeight: 2.7g Product Code: SET-R4