Sterling silver base with black patina. 22k bimetal,18k yellow gold & 14k rose gold and mokume gane stripe accent. 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. The stones are: 18mm x 9mm peach quartz druzy, (1) 2mm SI1 brilliant cut diamond set in 18k yellow gold. Two fresh water pearls. Chain not included.