A one of a kind free form sponge coral and pyrite beads necklace by FRED LEIGHTON. The necklace features a combinaison of alternating sponge coral and pyrite beads with a clasp composed of a diamond studded in a matching sponge coral bead. The clasp is 18 karat yellow gold. The estimated diamonds weight is 1.75 carats of white and fancy yellow diamonds VS-SI clarity. The gross weight of the necklace is 166.4 grams and 28 inches long.