This exquisite antique platinum engagement ring, dating to circa the 1920s, centers a magnificent 1.67 carat antique cushion cut diamond with I color and SI1 clarity. The romantic center diamond is surrounded by a glittering array of Old European cut diamonds set within finely milgrained settings, creating the distinctive sparkle and intricate character associated with early 20th-century jewelry. The Old European cut accent diamonds total approximately 0.86 carat and are graded VS2 to SI1 clarity with I color. Delicate filigree work adds an airy, lace-like quality to the setting, while intricate hand engraving continues along the sides of the ring for exceptional detail from every angle. Expertly crafted in enduring platinum, this remarkable antique engagement ring beautifully combines period craftsmanship, more than two and a half carats of diamonds, and timeless romantic elegance. The ring is a size 6.5 and can be professionally sized for the perfect fit.