Extremely rare and valuable, these antique beads are handcrafted from Yemeni black coral and are hand hammered and inlaid with a silver 3-line pattern. Accented with a diamond donut bead. Sterling silver Black coral; diamonds, approximately 0.85 carats 10mm round coral beads with 10mm diamond donut Slip-on style Designed and handmade in California Style number: B0003943