This exquisite antique Art Deco ring is masterfully crafted in platinum and centers a stunning 0.85 carat old European cut diamond graded J color and SI1 clarity. The beautifully proportioned center diamond is showcased in an ornate handcrafted setting featuring intricate filigree work, delicate openwork details, and exceptional period craftsmanship characteristic of the 1920s. Accenting the design are sparkling single cut and old mine cut diamonds totaling approximately 0.27 carat, graded SI1 to SI2 clarity and HI color, adding brilliance while preserving the ring's authentic vintage character. A true testament to the artistry of the Art Deco era, this elegant ring is a size 6.5 and can be professionally sized for the perfect fit. Combining timeless sophistication, remarkable craftsmanship, and enduring beauty, this exceptional antique engagement ring is a treasured addition to any fine estate jewelry collection.