14k yellow gold and diamond rondelles (4) on opal, turquoise and lapis. The necklace is approximately 18" long made of 12" of lapis beads, 1.5" of black-blue Ethiopian opal, 1.5" of natural turquoise beads and a 3" 14k gold chain extender. Beads color and shape may vary slightly due to the nature of the precious and semi-precious stones.