14 x 10mm cabochon on an antiqued sterling silver plated or brass adjustable ring.  Easy to adjust to any size. Choose from Rose Quartz, Amethyst or Rhodonite. Adjustable Vintage Cabochon Moonstone Ring, Vintage Adjustable Ring With Natural Stones, Vintage Adjustable Oval Moonstone Ring, Vintage Oval Crystal Ring With Natural Stones, Vintage Oval Moonstone Ring With Natural Stones, Adjustable Vintage Sterling Silver Crystal Ring, Vintage Adjustable Nickel-free Crystal Ring, Vintage Moonstone Ring With Large Stone For Gift, Vintage Moonstone Ring With Large Stone As Gift