Welcome to our little shop, where you can find handmade jewelry and more, for you and your loved ones. Black Tourmaline Ring Gemstone Jewelry, 925 Solid Sterling Silver Ring, Handmade Amazing Ring Jewelry Main Stone: Black Tourmaline Main Stone Creation: Natural Main Stone Shape: Oval Metal: Sterling Silver Metal Purity: 925 Manufacture Country: India Item Weight: 21.3Ct (Approx) Stone Size: 8x10mm Size guide: Size 4 - diameter 14.8 mm Size 4.5 - diameter 15.27 mm Size 5 - diameter 15.7 mm Size 5.5 - diameter 16.1 mm Size 6- diameter 16.5 mm Size 6.5 - diameter 16.92 mm Size 7 - diameter 17.3 mm Size 7.5 - diameter 17.75 mm Size 8 - diameter 18.2 mm Size 8.5 - diameter 18.53mm Size 9 - diameter 18.9 mm Size 9.5 - diameter 19.41 mm Size 10 - diameter 19.84 mm Size 10.5 - diameter 20.2 mm Size 11 - diameter 20.68 mm Size 11.5 - diameter 21.08 mm Size 12 - diameter 21.49 mm Note: This jewelry is made of Natural gemstones, So their can be difference in the gemstone pattern and shade because of natural creation. And the product you get in hands may slightly vary from the picture shown and not exact same as picture. And this is the beauty of each jewelry being different than other.