Antique Platinum Diamond Ring, Art Deco EraA refined and beautifully balanced Art Decoera ring (circa 1920s1930s), crafted in enduring platinum and showcasing the architectural elegance for which the period is celebrated. At the center is a sparkling round diamond, approximately 0. 65 carats, held in a sculptural, geometric setting that draws the eye with timeless sophistication. Flanking the center stone are side diamonds totaling approximately 0. 40 carats, thoughtfully arranged to enhance