Who says they have to go in size order? Do what you want!
Typically you'll see earrings worn, the largest first and ascend up, for those of us that have multiple piercings, to the smallest earring. Ana wears her Link Drop Earrings from the Winter Box, with a Large Gold Ball stud in her upper piercing... & it works!
One of the cool things about building your collection is the mixing, matching, and experimenting with styles and silhouettes.
"Finding your personal style is a rich journey of discovery, wonder, adventure, and excitement." A.S.