This timeless 1920s Art Deco platinum sapphire and diamond engagement ring reissue features a gorgeous 0.90 carat natural royal blue sapphire ( September Birthstone ), securely four prong set in a classic geometric engraved Art Deco vintage ring reproduction design, circa 1920s. Four shimmering round diamonds of F/G color and VS clarity totaling 0.06 carat frame the center stone in a show of brilliance. Measuring 5.5 mm wide at the top of the ring and tapering down to 1.7 mm wide at the bottom of the band, this classic platinum antique inspir