3 Carat Genuine Amethyst .925 Solid Sterling Silver 3 Stone Art Deco Design Antique Style Ring. The Top Of The Ring Measures 10mm Wide, 3/8 Inches At The Widest Point. This Beautiful Piece Is Made From The Original Antique Art Deco Period Style. Set With 3 Genuine Oval Faceted Brazilian Amethyst Stones. 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. Vintage Theme.