Onyx Gemstone Single Stone Rings for Women

Fiery Magnificence, Men's 24-Carat Onyx Ring from India

Oval Power, Oval Black Onyx Single-Stone Ring Crafted in Bali

Glistening Fire, 14-Carat Red-Orange Onyx Single-Stone Ring from India

Buddha's Curls in Black, Checkerboard Faceted Onyx Sterling Silver Cocktail Ring

Black Tablet, Square Black Onyx Cabochon Sterling Silver Cocktail Ring

Gleaming Night, Patterned Onyx Single-Stone Ring from Bali

Elite Green, 6-Carat Men's Green Onyx Ring from India

Dark Glimmer, 14-Carat Black Onyx Single-Stone Ring from India

Might, Modern Black Onyx Ring Crafted in India

Green Ecstasy, Handmade Green Onyx 925 Sterling Silver Cocktail Ring

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

Intrinsic, Black Onyx Cocktail Ring from India

Green Depths, Ornate Green Onyx and Sterling Silver Cocktail Ring

Dragonfly's Palace, Dragonfly-Themed Sterling Silver Cocktail Ring with Onyx Gem

Be Good, Handmade Onyx 925 Sterling Silver Cocktail Ring Indonesia

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

Mountain Range, Unique Sterling Silver and Onyx Cocktail Ring

Royal Rawa, Dramatic Onyx and Sterling Silver Cocktail Ring

Black Mirror, Black Onyx Sterling Silver Cocktail Ring from India

Red-Orange Strength, Men's Red-Orange Onyx Ring from India

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

Sunset Dome, Red-Orange Onyx Single-Stone Ring from India

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

Glittering Verdant Drop, Glittering Green Onyx Cocktail Ring from India

Crowned in Glory in Green, Oval Cabochon of Green Onyx Cocktail Ring

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

Bold Oval, Leaf Motif Green Onyx Ring from India

Forest Checkerboard, 6-Carat Green Onyx Single-Stone Ring from India

Frangipani Leaves, Sterling Silver and Onyx Single Stone Ring

Underground Rumor, Rainbow Moonstone and Onyx Single Stone Rings (Set of 3)

Deep Soul, Black Onyx Single-Stone Ring Crafted in Bali

Princess Gem, Handmade Onyx Single-Stone Ring from Bali

Midnight Hearts, Black Onyx and Sterling Silver Cocktail Ring

Rapt, Onyx Cabochon Cocktail Ring from India

Majestic Green, Polished Sterling Silver and Green Onyx Single Stone Ring

New Moon at Midnight, Black Onyx and Oxidized Sterling Silver Ring

Temple Heirloom, Black Onyx Single Stone Ring Crafted in Bali

Magical Orb, Black Onyx Cabochon Sterling Silver Ring

Vernal Pool, Green Onyx Cabochon Single Stone Ring

Flaming Mysticism, Traditional 22k Gold-Plated Cocktail Ring with Onyx Cabochon

Subtly Sweet, Onyx Solitaire Ring in 18k Gold Plated Sterling Silver