Open Heart Necklace with out lock:

Chain can be worn at 15", 16" or 17" Pave open heart adjustable necklace, available in gold and silver. Heart measures approximately 1".

Petite all pave heart necklace:

Adjustable chain can be worn 13-17". Heart measures half an inch.

Paper clip chain with heart lock:

Chain measures 16.5" and heart measures just over half an inch at 9/16".