Shop › Necklace Matte onyx squares 3/8”, 20” with 18k clasp and/or 18” with 18K clasp Image 1 of 1 Necklace Matte onyx squares 3/8”, 20” with 18k clasp and/or 18” with 18K clasp $1,350.00 $1250.00 for 20” and $995.00 for 18”. Can by attached to each other for long strand. Add To Cart Added! $1250.00 for 20” and $995.00 for 18”. Can by attached to each other for long strand. You Might Also Like Bamboo Necklace $1,595.00 Sold Cinquefoil Charm $550.00 Sold Ruby Charm $795.00 Sold Twig Chain Strand $3,950.00 Sold Jasmine Branch on Cable $1,650.00 Sold