Antique Style Genuine Black Agate .925 Solid Sterling Silver Filigree Ring. The Top Of The Ring Measures Nearly 5/8 Inches In Length. Set With One 10 x 8 mm Genuine Black Agate Stone. The Ring Has An Antique Finish Giving It A Natural Heirloom Look. Inspired By The Original Designs Of The Victorian To The Art Deco Period, 1836-1935. Item Is Stamped 925. Our Silver Is Genuine 925 Sterling Silver.