An emerald and multi-color tourmaline double strand necklace
composed of tumbled emerald beads, measuring approximately 19.5 x 16.9 x 11.0 to 15.0 x 11.9 x 8.1mm, interspersed by multi-color tourmaline beads; estimated total gem weight: 685.00 carats; mounted in eighteen karat gold; length: 18 1/2in.