925 STERLING SILVER UNIQUE HANDMADE MEN'S RING WITH NATURAL OPAL Quality meets Perfection Handcrafted by Turkish Artisan Jewelers in Istanbul Unique Piece for Collection! METAL : .925 Sterling Silver GEMSTONE: Opal (origin: Africa)  DIMENSIONS OF STONES: 15x10 mm - 3.7cts SIZE: US 10 Classic Handmade Round Opal Ring, Handmade Classic Opal Ring, Classic Handmade Opal Ring, Artisan Silver Opal Ring, Ethiopian Opal Ring, Sterling Silver Mens Rings, Handcrafted Artisan Jewelry, Mens Silver Rings, Sterling Silver Mens