EXQUISITE GEMSTONE: Crafted with high-quality natural black onyx gemstone and cubic zirconia 925 MARKED:Handcrafted in 925 sterling silver, this ring is designed to prevent your fingers from turning green or experiencing any irritation STRONG AND STURDY BAND :The band on the ring is very strong, making it impossible to break or bend without significant external force. 30 DAYS GURANTEE : Keeping in mind that sometimes stones may fall off, we stand behind our products and offer a 30-day guarantee (after the ring is delivered) for a replacement. DOUBLE PLATED IN 18K GOLD FOR LONG-LASTING BEAUTY This Ring Is Handcrafted in 925 Sterling Silver and is studded with Natural Black Onyx Gemstone and Cubic Zirconia.