Agate Stone Women's Silver Ring  Natural Stone Agate Stone Women's Silver Ring model is produced from 925 sterling silver. The black parts on the ring are oxidized to give an aged look. The stone on our women's silver ring is natural stones Agate Stone, and mounted on the ring with the plastering technique. The back part of our Agate Stone model women's silver ring model is processed to provide a texture appearance. If our product is in stock, it will be shipped the same day.