A Stunning Antique Star Sapphire and Diamond Ring, Vintage Art Deco circa 1920 Engagement - Wedding Ring in 18K White Gold. This antique Art Deco Era ring holds a lovely genuine star sapphire at center measuring about 8mm in diameter. The stone shows the natural 6 pointed star formation in the light. The sides are adorned with antique singe cut diamonds. The setting is beautifully fashioned from 18K white gold with exceptionally beautiful filigree openwork detailing. This ring dates to the Art Deco era, circa 1920's. The ring was acquired through an estate collection and is in lovely vintage condition. Overall the ring measures about 3/8 inch long by about 3/4 inch wide from side to side. Ring Size: about 6 1/4 (could be resized by your jeweler or ask me about using mine before shipping). A rare and exceptionally beautiful ring.