Shop › Necklace Matte onyx triangles 1/4”, with 18K clasp 20” and/or 18” with 18K clasp Image 1 of 1 Necklace Matte onyx triangles 1/4”, with 18K clasp 20” and/or 18” with 18K clasp $1,250.00 $1150.00 for 20” and $950.00 for 18”. Can by attached to each other for long strand. Add To Cart Added! $1150.00 for 20” and $950.00 for 18”. Can by attached to each other for long strand. You Might Also Like Matte black onyx long strand, triangle beads $1,950.00 Sold Meadowflower Pin/Pendant $4,950.00 Sold Raw Aquamarine Strand with Apatite spacers $1,950.00 Sold Chrysoprase Charm/Pendant in 22k and Sterling Silver (chain not included) $650.00 Sold Pincushion Pin/Pendant $4,850.00 Sold