The necklace just like any other piece of jewelry is interpreted as the image we are creating in order to introduce ourselves. If the necklace is beautiful and expensive one, we have a good opinion about ourselves. The dream shows that you have enough of confident. The necklace that is cheap looking, signifies the bad image we created for the others, because we think that were not worth something spectacular. The necklace that was received as the gift is interpreted as the way we see ourselves in front of the others.
Read more about dreaming of Necklace in other dream meanings interpretations.