This is a vintage necklace with a natural sea shell pendant that is highlighted with 18K gold. The shell has gorgeous green, black, grown, white and gold colors and is then highlighted by dipping and painting areas with 18K gold. The shell is suspended on a 18.5" 18K gold plated chain necklace. Very popular back in the 70's and 80's, this is a great piece to wear all spring and summer. A unique piece for a gift or to be added to your collection. The shell measures approximately 1" top to bottom, 1" wide and 3/4" deep. The necklace closes with a secure and tight safety clasp and is marked 18KGP. Enjoy!! Enjoy!! This necklace and pendant set will arrive nestled within a jewelry box for safe travel and safe keeping.