Black Onyx Birthstone Necklaces

Onyx Mystery, Black Onyx, Pearl, Silver and Garnet Necklace

Altar, Fair Trade Pendant Necklace with Onyx and 925 Silver

Midnight Moment, Sterling Silver and Onyx Necklace from India

Monochrome Bouquet, Cultured Pearl and Onyx Sterling Silver Waterfall Necklace

Midnight Beauty, Indonesian Onyx Sterling Silver Pendant Necklace

Onyx Raindrops, Woman's Onyx Teardrop Silver Necklace

Elegant Wreath, Onyx and Topaz Pendant Necklace by Indian Artisans

Beautiful Cavern, Multi-Gemstone Beaded Pendant Necklace from Thailand

Midnight Greeting, Black Onyx and Sterling Silver Pendant Necklace from India

Kerala Night, Onyx strand necklace

Midnight Majesty, 925 Sterling Silver Black Onyx Pendant Necklace from India

Nature's Seeds, Garnet and Onyx Beaded Necklace

Neptune's Queen, Handmade Onyx Necklace

Charming Flower, Labradorite and Onyx Pendant Necklace from Thailand