This piece is 18k Gold small paper clip chain and a single 18k bezeled Murano glass heart pendant. 
Please pick from a 16” or 18” chain at the drop down and the color of your heart pendant in the other drop down as well. 
The main picture shown is the Smokey Glass Murano Necklace.
***Images with baby ball chain are only to represent the heart pendant. This pendant looks best with the small paper clip chain.