natural spiney oyster shell handmade sterling silver pendant necklace

natural spiney oyster shell cabachon is set in a handmade sterling silver pendant necklace
this spiney oyster is found in New Zeeland waters and has been used for jewelry for hundreds of years The cabachon is 14 x 10 mm and 4 carats
the 1.4 mm sterling silver chain is 20 inches
comes with black velvet gift box