Onyx Birthstone Single Stone Rings for Women

Verdant Crown, 6-Carat Green Onyx Single-Stone Ring from India

Green Depths, Ornate Green Onyx and Sterling Silver Cocktail Ring

In Your Arms, Modern Sterling Silver Single Stone Onyx Ring

Black Mirror, Black Onyx Sterling Silver Cocktail Ring from India

Mountain Range, Unique Sterling Silver and Onyx Cocktail Ring

Perfect Night, Sterling Silver and Onyx Cocktail Ring

Fiery Allure, Red-Orange Onyx Domed Ring Crafted in India

Constellation of Enigma, Folk Art-Inspired Star-Shaped Onyx Cabochon Cocktail Ring

Patterned Green, Green Onyx Oval Single-Stone Ring from India

Black Tablet, Square Black Onyx Cabochon Sterling Silver Cocktail Ring

Piece of Night, Handcrafted Onyx and Sterling Silver Single Stone Ring

Glowing Sunset, Enhanced Red Onyx and Sterling Silver Cocktail Ring

Might, Modern Black Onyx Ring Crafted in India

Triple Crown, Tiger's Eye and Carnelian Single Stone Rings (Set of 3)

Royal Rawa, Dramatic Onyx and Sterling Silver Cocktail Ring

Romance at Midnight, Thai Marcasite and Onyx Cocktail Ring

Midnight Queen, Onyx and Silver Cocktail Ring from Bali

Midnight Grace , Indonesian Onyx and Sterling Silver Ring

Mystical Allure, 18k Gold Accented Onyx and Sterling Silver Cocktail Ring

Moonlight in Black, Hand Made Sterling Silver and Onyx Ring from Indonesia

Amed Eclipse, Ornate Handcrafted Onyx and Silver Bali Cocktail Ring

Green Ecstasy, Handmade Green Onyx 925 Sterling Silver Cocktail Ring