I know that they sell mockingjay pins and other Hunger Games merchandise at Toys R' Us.
Amazon
toysrus
One can purchase a journey necklace from various places in real shops and online merchandising websites. Two of the online stores that sell journey necklaces are Zales and OverStock.
Good quality necklace chains come from jewelry stores like Zales and Jarrod's. Stores like Walmart and KMart sell chains that will turn a person's neck green!
One can buy a Black Onyx necklace at most jewelry stores which sell necklaces. They can also be found in the jewelry section of large department stores or ordered online from shopping sites such as Amazon.
There are many places that sell a necklace display. In addition to an official brand website, one might also try purchasing a display from the Amazon website.
There are many places where someone could purchase a sea horse necklace. Stores such as Zales, Walmart, and Macys, as well as websites such as amazon and ebay all sell sea horse necklaces.
Not that I know of.... But keep looking! People will do anything to make money, and I bet a Potter friendship necklace would sell very well! Keep checking in stores, I am sure one will show up!
May jewelry stores carry pearl necklace and earring sets some of the more popular stores include; Marcy's, K's, and Jarrods. They all carry very nice necklace and earring sets.
You might find the necklace at some Christian book stores or on Amazon.
One can sell an unwanted ruby necklace on ebay. One can list the item in an auction where people bid or you can list it at a 'buy now' price. One can also sell unwanted items like a necklace on Amazon marketplace.