Sterling silver base with patina. 22k yellow, 14K green, and rose gold and mokume gane overlays. Mokume gane is in wood grain patterning made from18k green gold,14k rose & white gold and shakudo. The stripe patterning is made with sterling silver and shadudo. The shakudo is a gold and copper alloy. Stones: (3) 1.3mm brilliant cut SI1 quality diamond set in 18k yellow gold. Pendant chain not included.