Onyx Birthstone Rings for Women

Courage Amulet, Sterling Silver Cocktail Ring with Black Onyx Cabochon

Vernal Pool, Green Onyx Cabochon Single Stone Ring

Temple Heirloom, Black Onyx Single Stone Ring Crafted in Bali

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

Green with Envy, Sterling Silver Cocktail Ring with Green Onyx Cabochon

Gleaming Green, Marquise Green Onyx Cabochon Sterling Silver Cocktail Ring

Midnight Luxury, Onyx and Sterling Silver Single Stone Ring from India

Verdant Tear, Green Onyx and Marcasite Cocktail Ring

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

Green Gleam, Green Onyx and Sterling Silver Cocktail Ring from India

Magical Orb, Black Onyx Cabochon Sterling Silver Ring

Green and Lovely, Green Onyx and Peridot Cocktail Ring from India

Midnight Hearts, Black Onyx and Sterling Silver Cocktail Ring

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

Rapt, Onyx Cabochon Cocktail Ring from India

Magical Kite, Marquise Onyx Cocktail Ring Crafted in India

Block Party, Bezel Set Onyx and Sterling Silver Cocktail Ring

The Circle, Women's Artisan Crafted Onyx and 925 Silver Ring

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

Daydream Temple, Handcrafted Onyx Cocktail Ring from Bali

Princess Gem, Handmade Onyx Single-Stone Ring from Bali

Glamorous Beauty in Green, Oval Onyx Cocktail Ring in Green from India

Captivating, Onyx and Sterling Silver Cocktail Ring Handmade in Bali

Glamorous Beauty in Black, Oval Onyx Cocktail Ring in Black from India

Alluring Globes in Green, Green Onyx and Sterling Silver Ring from India

Verdant Angles, Leafy Green Onyx Cocktail Ring from India

Bold Charm, Green Onyx and Sterling Silver Ring from India

Blackberry Blossom, Ornate Handcrafted Silver and Onyx Cocktail Ring

Solitary Allure, Sterling Silver Ring with Green Onyx Solitaire

Moon Halo, Sterling Silver Cocktail Onyx Ring

The Heart, Handmade Brushed Sterling Silver and Onyx Heart Ring

Deceptively Square, Onyx and Brushed Silver Ring