In our opinion, It is very common when the young buy one necklace for his(her )lover, Do you want to buy one for your mother, I think you can buy one for your mather at mother's day. This valuble gift would make your mother very happy. Not only our younger like fashion jewellry, our mother may love them more than us. So you can try to buy a nice one for your mother, I think they would very happy when you do this.