Art Deco Style 4 Carat Color Changing Simulated Alexandrite .925 Sterling Silver Filigree Ring. The Top of The Ring Measures 3/8 Inches In Length. The Stone Color Is Primarily Purple Showing Flashes Of Blues & Greens In Different Lighting Conditions. This Enchanting Antique Style Reproduction Is Set With One 9 mm High Quality Simulated Alexandrite Stone. 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.