Vintage Organic Design Amethyst 14K Yellow Gold Ring

This is a beautiful vintage Mid century modern ring set with natural uncut amethyst with organic gold design. The ring has square shape with etched polished finish. The designer ring is marked ZVL 14k. The uncut amethyst has nice deep purple color. The ring is in excellent condition, Ring Size 5.5, Weight 22.3 grams, Face of the ring measures 23mm by 19mm.