This piece is part of the NESW (North East South West) collection which was inspired by directional themes, vintage compasses, and ancient artifacts. 18K Yellow Gold, White Pave & Baguette Diamonds. This product comes on a charm clasp. Meaning the clasp opens and closes and can be taken off or put on any chain. The chain is 20" and adjustable to 18" & 16". Made and hand-finished in LA, each piece sold helps ocean-related causes.