Antique Platinum Diamond Engagement Ring – Art Deco Era6This elegant antique platinum diamond ring exemplifies the refined geometry and craftsmanship of the Art Deco period (circa 1920s1930s). Centered by a sparkling round brilliant diamond, the ring is complemented by finely matched side diamonds, creating a balanced and sophisticated composition characteristic of early Art Deco design. The center diamond is showcased in a classic, slightly elevated platinum setting that allows excellent light