A Gorgeous Authentic Antique Diamond Wedding Ring in 18K White Gold Filigree, Vintage Art Deco circa 1920s. This beautiful antique diamond ring holds a fine white sparkling diamond at its center measuring about 3mm in diameter. There are two additional accent diamonds on the sides. The setting is 18K white gold antique filigree openwork from the Art Deco Era. The ring is from an estate collection and is estimated to date from the Art Deco Era, circa 1920's. Overall the ring measures about 5/16 inch long by about 3/4 inch wide from side to side. Ring Size: about 6 1/2 (could be resized by your jeweler or ask me about using mine before shipping). A wonderful and sentimental original antique piece.