I have a pair of earrings just like this (only in blue and larger - though I didn't know that when I ordered) and I wanted a necklace to match.  I saw this on my Amazon local daily deal and scooped it up.  It's very lovely, but pretty small.  The chain is delicate, too.  I think it's a great deal at the $17 that I paid for it...I'm not sure I'd feel the same if I had paid the usual asking price.