Being together as a couple is fate, as the Indian Buddhist saying goes, meeting the right person at the right time is inevitable, and separation is also a kind of fate, so there is no need to be sad, just keep moving forward. It's a bit heroic to say that you are friends, but breaking up peacefully is a good way, after all, neither of you will hurt each other. Give her a gift. Here are some suggestions:
1. Since you broke up, don't worry about her. Give her a simple gift, a piece of ice heart in a jade pot, a small crystal pendant is good, you can give her a snowflake style, or a more peaceful style, both are fine.