Women's retro style glass (liuli) pendant necklace with geometric shape, crystal inlays, and safety knot design element, sweater chain

This is a women's pendant necklace in a retro style. The main material is glass (liuli), with crystal inlay processing. The chain length is 51cm to 80cm inclusive, designed as a sweater chain. The design element is a safety knot (ping'an kou) with a geometric shape.