Oval Turquoise Ring. ☉ Metal Type: Sterling Silver. ☉ Metal Stamp or Hallmark: .925 ☉ Metal Purity: 92.5% Sterling. ☉ Gemstone: Turquoise. ☉ Gemstone Creation Method: Simulated. ☉ Face Measurements From South To North: 13mm(0.51inch). ☉Ring Design: Oxidized Oval Turquoise Ring. This pretty oval turquoise ring is made from real 925 silver with a nice old-style finish. It has a bright 13mm turquoise stone in the center with lovely flower-like filigree work around it. The twisted band gives it extra style. It’s light, comfy, and perfect for women who love simple, colorful silver rings. Great for shops and sellers looking for beautiful jewelry at a good price.