Collar necklace is the latest necklace

Looks like collar necklace is the latest fashion for necklace. I saw my colleague wearing it. She looks nice wearing it with halter neck blouse. She looks elegant. This afternoon, I went looking for a pant and saw some stalls selling collar necklace.

Just now I browse for collar necklace and I bump into this website. Wow, they have nice and elegant collar necklace and can wear it with gown. The website is

Here are some of their necklace.

I also bump into another website, which is I think their necklace are more suit to wear with cute dress or younger generation.