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 Assorted Beryl Strand $1,950.00 Sold Single Leaf Charm $105.00 Sold Long Leaf Charm $250.00 Sold Chrysanthemum Pin/Pendant $3,850.00 Sold Chinese Turquoise Ball Hinge Charm $750.00 Sold