This antique engagement ring features a .55 carat old European cut diamond with VS2 clarity and J color in a prong setting, flanked by two trilliant cut synthetic sapphires totaling .42 carats in bezel settings, all set in 18 karat white gold. The intricate filigree mounting displays milgrain detailing around the bezel-set sapphires that measure 4.0 x 4.0 mm each. The old European cut diamond creates distinctive sparkle patterns while the period correct blue synthetic sapphires provide color contrast against the white gold setting.