Oversized natural shell — aquamarine or blue abalone set in a wide ornate filigree gold band with four freshwater pearl accents in a wide architectural band of heavily textured 18K gold-plated filigree. Four round freshwater pearl accents frame the stone at each corner, their soft white providing the perfect counterpoint to the wild, saturated color of the shell. . 18K gold plated alloy — one size fits most Heavyweight sculptural construction Nickel-free