Onyx Birthstone Single Stone Rings

Romance at Midnight, Thai Marcasite and Onyx Cocktail Ring

Glowing Sunset, Enhanced Red Onyx and Sterling Silver Cocktail Ring

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

Green Ecstasy, Handmade Green Onyx 925 Sterling Silver Cocktail Ring

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

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

Black Mirror, Black Onyx Sterling Silver Cocktail Ring from India

Green Depths, Ornate Green Onyx and Sterling Silver Cocktail Ring

Mountain Range, Unique Sterling Silver and Onyx Cocktail Ring

Glittering Verdant Drop, Glittering Green Onyx Cocktail Ring from India

Intrinsic, Black Onyx Cocktail Ring from India

Magical Allure, Handcrafted Black Onyx Cocktail Ring from India

Power Grid, Men's Sterling Silver Ring with Onyx

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

Midnight Grace , Indonesian Onyx and Sterling Silver Ring

Amed Eclipse, Ornate Handcrafted Onyx and Silver Bali Cocktail Ring

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

Black Tablet, Square Black Onyx Cabochon Sterling Silver Cocktail Ring

Handsome Allure, Men's Oxidized Sterling Silver and Black Onyx Ring

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

Black Bamboo, Onyx and Silver Ring from Indonesia

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

Perfect Night, Sterling Silver and Onyx Cocktail Ring

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