Throughout history, jade has been more highly prized in Asia than any other gemstone. Once considered more precious than gold, jade is believed to possess spiritual and mystical properties. Gump's Signature jewelry features only the finest materials; each piece is a statement of elegance. Our necklaces are strung by hand on fine silk thread. Green jade, 9.5 to 10mm. 18-karat yellow gold clasp embellished with diamonds. 18"L.