16 3/4" Hand-knotted natural blue 8mm Peruvian opal gemstone bead necklace with two gold pave diamond beads set in sterling silver and 14k gold with a large Ethiopian opal gemstone bead set in oxydized sterling silver. 14k gold-filled clasp, endings and beads. Ethiopian opal bead measures 25x18x16mm.
Doesn't get any more Saturday Night Fever than this one-of-a-kind gem.