Vintage Gold Ring with Purple Gemstone

That particular ring style, featuring a large oval amethyst in a detailed yellow gold setting, is characteristic of vintage jewelry, especially popular in the 1960s and 1970s. The bold appearance and prominent gemstone are typical of cocktail or statement rings from that era. This appears to be a vintage or estate tanzanite and a gold plated ring, featuring a prominent oval-cut tanzanite gemstone, Or it could be made of other materials, requiring professional identification. The specific metal material requires professional identification also. Design: The design features ornate, textured, "ribbon" style shoulders on the band, which suggests a vintage aesthetic. Setting: The Stone is held in place by four prongs. Size: 6.5 The inner ring is engraved with "RD ALY," which may have been customized for someone.