Triangle Lariat Necklace

Brand new never worn Triangle Lariat Necklace is crafted in 18 karat  yellow gold overlay.   The chain is 17 inches long, with a 2 inch extender.  Hanging from the chain is a 1 1/2 inch bar, 5 1/2 inch chain, and then a 1/2 inch triangle.  Necklace has a secure lobster claw clasp.  Can we worn alone or stacked with other necklaces for a layered look.  Necklace is 100% hypoallergenic