Sterling silver base with patina. 22k yellow bimetal, 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 are: 27mm x 12mm Rough Cut Green Beryl, 5mm square faceted Rhodolite Garnet, (1) 2.5mm and (1) 2.25mm Rustic Rose Cut Diamonds. (1) 1.3mm Brilliant Cut Diamond. All stones are set in 18K bezel.