18K Yellow Gold and 14K Rose Gold. 14K white, 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. 18k yellow gold ear wires. Diamonds are (2) 2mm SI1 quality brilliant cut.