Stunning vintage statement ring featuring a genuine, vibrant freeform organic triangle Ammolite doublet center stone. The gemstone features a natural shale matrix backing for structural durability, visible on the underside. The stone flashes beautiful, high-grade iridescent shades of emerald green, lime, and warm amber/orange depending on how the light catches it. It is securely encased in a classic micro-pave accent halo setting with distinct double-split prongs. 925 Sterling Silver (Stamped) Genuine Ammolite Doublet Asymmetrical / Freeform Triangle Ring Size: 8.5 Approx. 0.5" x 0.75" Excellent vintage/pre-owned condition. Clean band with minimal surface wear; setting and accent stones are entirely secure. Please see all photos for exact hallmarks and underside view. Care Instructions To preserve the brilliant iridescence and layered construction of the ammolite, avoid exposing this ring to harsh chemicals, ultrasonic cleaners, or prolonged soaking in water. Clean gently with a soft polishing cloth.