This antique piece was handcrafted sometime during the Art Deco design period ( 1920-1940 ). The center diamond is an Old European cut and measures approximately 0.55 carats. The center diamond grades approximately H in color and SI1 in clarity. The sweet filigree setting features two additional diamond accents as well as fine milgrain accents and subtle hand engravings. This ring is currently a size 6 & 1/2.