Vintage Diamond Engagement Ring with Side Stones

This is a vintage-style engagement ring featuring a prominent central round-cut colorless gemstone, likely a diamond, held in a high-profile four-prong setting. The shank is crafted from a white metal, possibly platinum or white gold, and features an ornate, tapered design common in mid-20th-century jewelry. The shoulders are adorned with at least three smaller accent stones on each side, graduated in size and set within decorative milgrain or box-style settings. The central stone appears to be an Old European or Transitional cut based on the depth and facet pattern. In terms of condition, the metal shows signs of significant wear, including surface scratches, dulling of the polish, and a visible patina that suggests it is an authentic vintage piece rather than a modern reproduction. There is some visible buildup or oxidation around the prongs and side settings, typical of aged jewelry. The craftsmanship exhibits typical Art Deco or Mid-Century influence with architectural lines and a focus on geometric symmetry. No maker's marks or hallmarks are visible in this orientation, but the construction indicates high-quality bench-made assembly from the 1930s-1950s era.