请教送女朋友项链怎么选

想送女朋友项链，看了几个但不知道怎么选
兄弟姐妹们能不能给个参考呐
哦对了，也可以推荐一下，预算在4k之内

[img]https://img.nga.178.com/attachments/mon_202107/30/-7Q8ilx-2kvlZ18T3cSyi-rq.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202107/30/-7Q8ilx-u4lZdT3cSxc-xc.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202107/30/-7Q8ilx-cdqlZyT3cSyi-tw.jpg.medium.jpg[/img]
[img]https://img.nga.178.com/attachments/mon_202107/30/-7Q8ilx-8vhrZ14T3cSyi-r9.jpg.medium.jpg[/img]