Handcrafted Jewelry › Sardonyx Necklace Image 1 of 3 Image 2 of 3 Image 3 of 3 Sardonyx Necklace $40.00 20” Natural Black Sardonyx with Gold Plated Spacers, Clasp and a 2” Extender Add To Cart Added! 20” Natural Black Sardonyx with Gold Plated Spacers, Clasp and a 2” Extender