14k yellow gold with heart shape amethyst w diamonds

Stamped 14 k yellow gold Lobster closure Amethyst cut in a heart shape embellished by a diamond on each side Chain is made up of long pieces with a tiny ball separating the next long piece Long piece is shaped a bit like an S BUT ELONGATED STUNNING AND UNIQUE USUALLY ONE ONLY FINDS 1 heart in the pendant on a chain 17 inches Using a kitchen scale it fluctuated between 8 & 9 g