The opal moon pendant is a gorgeous piece, made with Cz stones and an opal in the center. 

It is made of 14k gold filled.

comes on an 18inch chain with option to wear it as a 16 inch

NOTE: Gold-filled jewelry has a much higher amount of gold in it than gold-plated, making it more valuable (almost 100% more gold than gold-plated jewelry), more durable (won't chip or tarnish), safe for those with metal allergies and longer-lasting (10-30 years).