Sterling Silver & Genuine Large Cabachon Turquoise Ring Polished large Oval Abalone. Measures 26 x 12 MM Antique Finish High style... large ring Size 7, 8, 9 This ring can be sized Great statement piece! Great for the index finger! Great color for fashions. Interesting Natural Turquoise Gemstone. Add this piece to your wardrobe! This ring is also available in: Bloodstone, Tigereye, Abalone, Opaque Mother of Pearl and Black Onyx.